#51C031#51C031
#51C031 is a light, highly saturated green. Relative luminance 0.397; OKLCH L 71.6% C 0.204 H 139.7°. Best body text is #000000 at 8.93:1 contrast (WCAG AA passes).
Color values
| HEX | #51C031 |
|---|---|
| RGB | rgb(81, 192, 49) |
| HSL | hsl(107, 59%, 47%) |
| HSV | hsv(107, 74%, 75%) |
| CMYK | cmyk(57.8%, 0%, 74.5%, 24.7%) |
| CIE-LAB | lab(69.23, -56.73, 58.68) |
| CIE-LCH | lch(69.23, 81.62, 134.03°) |
| OKLab | oklab(71.6% -0.1559 0.132) |
| OKLCH | oklch(71.6% 0.204 139.7) |
| XYZ | xyz(22.7964, 39.6684, 9.3606) |
| Luminance | 0.3967 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Kelly Green
#4CBB17
ΔE00 2.10
Leafy Green
#51B73B
ΔE00 2.85
Frog Green
#58BC08
ΔE00 2.95
Lime Green
#32CD32
ΔE00 3.75
Apple
#6ECB3C
ΔE00 3.86
Kermit Green
#5CB200
ΔE00 4.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51C031 #A031C0
analogous
#99C031 #51C031 #31C058
triadic
#51C031 #3151C0 #C03151
tetradic
#51C031 #3199C0 #A031C0 #C05831
square
#51C031 #3199C0 #A031C0 #C05831
split-complementary
#51C031 #5831C0 #C03199
monochromatic
#285E18 #3C8F25 #51C031 #75D559 #9EE18A
Accessibility & contrast
On white
2.35
#51C031 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.93
#51C031 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51C031
8.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51C031 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51C031 | 1.00 | 2.35 | 8.93 | 8.93 |
| #FFFFFF | 2.35 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.93 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.93 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#C5AF13
Deuteranopia (green-blind)
#B8A640
Tritanopia (blue-blind)
#44BAA5
Achromatopsia (no color)
#A9A9A9
Design tokens & code
CSS
--color: #51c031; /* rgb */ color: rgb(81, 192, 49); /* oklch */ color: oklch(71.6% 0.204 139.7);
Tailwind
colors: {
custom: {
50: '#8ed473',
500: '#51c031',
950: '#000000',
},
}SCSS
$custom: #51c031; $custom-light: #8ed473; $custom-dark: #000000;
JSON
{
"hex": "#51c031",
"rgb": {
"r": 81,
"g": 192,
"b": 49
},
"hsl": {
"h": 106.573,
"s": 59.336,
"l": 47.255
},
"oklch": {
"l": 0.716,
"c": 0.20426,
"h": 139.7
},
"luminance": 0.3967
}Semantic roles & 50–950 ramp
primary
#51C031
secondary
#BB82CB
accent
#45E3BF
background
#F9FDF7
surface
#F2FAED
border
#CCD3C8
text
#0D1409
muted
#7E837B