#66CF40#66CF40
#66CF40 is a light, highly saturated green. Relative luminance 0.478; OKLCH L 76.3% C 0.204 H 138.7°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).
Color values
| HEX | #66CF40 |
|---|---|
| RGB | rgb(102, 207, 64) |
| HSL | hsl(104, 60%, 53%) |
| HSV | hsv(104, 69%, 81%) |
| CMYK | cmyk(50.7%, 0%, 69.1%, 18.8%) |
| CIE-LAB | lab(74.71, -55.49, 59.02) |
| CIE-LCH | lch(74.71, 81.01, 133.23°) |
| OKLab | oklab(76.35% -0.1529 0.1345) |
| OKLCH | oklch(76.35% 0.204 138.7) |
| XYZ | xyz(28.7167, 47.8185, 12.5662) |
| Luminance | 0.4782 (WCAG relative) |
| Temperature | warm |
| Family | green |
Closest named colors
Apple
#6ECB3C
ΔE00 1.45
Fresh Green
#69D84F
ΔE00 2.42
Apple Green
#76CD26
ΔE00 3.44
Lime Green
#32CD32
ΔE00 3.50
Green Apple
#5EDC1F
ΔE00 4.12
Toxic Green
#61DE2A
ΔE00 4.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66CF40 #A940CF
analogous
#ADCF40 #66CF40 #40CF61
triadic
#66CF40 #4066CF #CF4066
tetradic
#66CF40 #40ADCF #A940CF #CF6140
square
#66CF40 #40ADCF #A940CF #CF6140
split-complementary
#66CF40 #6140CF #CF40AD
monochromatic
#35771E #4BA82A #66CF40 #8DDB71 #B4E8A2
Accessibility & contrast
On white
1.99
#66CF40 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
10.56
#66CF40 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66CF40
10.56:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66CF40 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66CF40 | 1.00 | 1.99 | 10.56 | 10.56 |
| #FFFFFF | 1.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 10.56 | 21.00 | 1.00 | 1.00 |
| ##000000 | 10.56 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#D5BD2A
Deuteranopia (green-blind)
#C7B54D
Tritanopia (blue-blind)
#5DC8B2
Achromatopsia (no color)
#B8B8B8
Design tokens & code
CSS
--color: #66cf40; /* rgb */ color: rgb(102, 207, 64); /* oklch */ color: oklch(76.3% 0.204 138.7);
Tailwind
colors: {
custom: {
50: '#9bde7c',
500: '#66cf40',
950: '#000000',
},
}SCSS
$custom: #66cf40; $custom-light: #9bde7c; $custom-dark: #000000;
JSON
{
"hex": "#66cf40",
"rgb": {
"r": 102,
"g": 207,
"b": 64
},
"hsl": {
"h": 104.056,
"s": 59.833,
"l": 53.137
},
"oklch": {
"l": 0.76349,
"c": 0.20363,
"h": 138.7
},
"luminance": 0.47821
}Semantic roles & 50–950 ramp
primary
#66CF40
secondary
#C497D4
accent
#45E3B9
background
#FAFDF7
surface
#F3FBEE
border
#CDD4C9
text
#0F150A
muted
#7F837C