Light green vs Cay
Where Light green belongs to RAL Classic's range, Cay is a Sherwin-Williams color. Hue-wise, Light green belongs to the blue-green family and Cay to the blue family. Cay (LRV 58) reflects noticeably more light than Light green (LRV 44), a difference of 14 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 12.9, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Light green vs Cay in Real Spaces
3 real rooms side by side. Seeing Light green and Cay in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Cay reflects noticeably more light off the walls, making the space read more open than Light green.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Cay reflects noticeably more light off the walls, making the space read more open than Light green.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The LRV gap is large enough that Cay will make the room feel meaningfully brighter than Light green would.
Color Details
Light green vs Cay Simulated Comparison
5 simulated room previews — drag the slider on each to see Light green on one side and Cay on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Light green comparisons
See how Light green stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 44, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 44), opening up a space where Light green encloses it.
At LRV 44 vs 6, Light green is decisively the brighter choice.
Purbeck Stone reads slightly lighter (LRV 52 vs 44), a gap that shows most in low-lit rooms.
Light green reflects far more light (LRV 44 vs 30), opening up a space where Evergreen Fog encloses it.
A 7-point LRV gap (52 vs 44) makes Mizzle the marginally brighter of the two.
Agreeable Gray reflects far more light (LRV 60 vs 44), opening up a space where Light green encloses it.
At LRV 58 vs 44, Accessible Beige is decisively the brighter choice.
At LRV 44 vs 27, Light green is decisively the brighter choice.
With LRVs of 44 and 43, the two reflect almost the same amount of light.
Light green reflects far more light (LRV 44 vs 4), opening up a space where Naval encloses it.
A 11-point LRV gap (55 vs 44) makes Tranquil Dawn the marginally brighter of the two.
At LRV 44 vs 13, Light green is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 44 vs 44), so neither reads brighter in a room.
Pure White reflects far more light (LRV 84 vs 44), opening up a space where Light green encloses it.
Light green reflects far more light (LRV 44 vs 21), opening up a space where Artichoke encloses it.
At LRV 66 vs 44, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 44, Shoji White is decisively the brighter choice.
At LRV 83 vs 44, Snowbound is decisively the brighter choice.
At LRV 44 vs 12, Light green is decisively the brighter choice.
At LRV 68 vs 44, Skimming Stone is decisively the brighter choice.
Light green reads slightly lighter (LRV 44 vs 41), a gap that shows most in low-lit rooms.
Calamine reflects far more light (LRV 68 vs 44), opening up a space where Light green encloses it.
Light green reflects far more light (LRV 44 vs 25), opening up a space where Treron encloses it.
At LRV 44 vs 12, Light green is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 45 vs 44), so neither reads brighter in a room.
Light green reflects far more light (LRV 44 vs 31), opening up a space where Pale Green encloses it.
Light green reflects far more light (LRV 44 vs 7), opening up a space where Pine Needle encloses it.
Light green reflects far more light (LRV 44 vs 24), opening up a space where Cement grey encloses it.
Guilford Green reflects far more light (LRV 57 vs 44), opening up a space where Light green encloses it.