#51B525#51B525
#51B525 is a light, vivid green. Relative luminance 0.349; OKLCH L 68.7% C 0.198 H 138.4°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #51B525 |
|---|---|
| RGB | rgb(81, 181, 37) |
| HSL | hsl(102, 66%, 43%) |
| HSV | hsv(102, 80%, 71%) |
| CMYK | cmyk(55.2%, 0%, 79.6%, 29%) |
| CIE-LAB | lab(65.69, -53.50, 59.14) |
| CIE-LCH | lch(65.69, 79.75, 132.13°) |
| OKLab | oklab(68.66% -0.1478 0.1313) |
| OKLCH | oklch(68.66% 0.198 138.4) |
| XYZ | xyz(20.2504, 34.9290, 7.4248) |
| Luminance | 0.3493 (WCAG relative) |
| Temperature | warm |
| Family | green |
Closest named colors
Kelly Green
#4CBB17
ΔE00 1.93
Leafy Green
#51B73B
ΔE00 2.21
Kermit Green
#5CB200
ΔE00 2.75
Frog Green
#58BC08
ΔE00 2.86
Grass
#5CAC2D
ΔE00 2.88
Green (survey)
#15B01A
ΔE00 3.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51B525 #8925B5
analogous
#99B525 #51B525 #25B541
triadic
#51B525 #2551B5 #B52551
tetradic
#51B525 #2599B5 #8925B5 #B54125
square
#51B525 #2599B5 #8925B5 #B54125
split-complementary
#51B525 #4125B5 #B52599
monochromatic
#244F10 #3A821B #51B525 #6ED83F #94E272
Accessibility & contrast
On white
2.63
#51B525 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.99
#51B525 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51B525
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51B525 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51B525 | 1.00 | 2.63 | 7.99 | 7.99 |
| #FFFFFF | 2.63 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#BBA500
Deuteranopia (green-blind)
#AE9C36
Tritanopia (blue-blind)
#48AF9B
Achromatopsia (no color)
#A0A0A0
Design tokens & code
CSS
--color: #51b525; /* rgb */ color: rgb(81, 181, 37); /* oklch */ color: oklch(68.7% 0.198 138.4);
Tailwind
colors: {
custom: {
50: '#8dcc6c',
500: '#51b525',
950: '#000000',
},
}SCSS
$custom: #51b525; $custom-light: #8dcc6c; $custom-dark: #000000;
JSON
{
"hex": "#51b525",
"rgb": {
"r": 81,
"g": 181,
"b": 37
},
"hsl": {
"h": 101.667,
"s": 66.055,
"l": 42.745
},
"oklch": {
"l": 0.68657,
"c": 0.19771,
"h": 138.4
},
"luminance": 0.34931
}Semantic roles & 50–950 ramp
primary
#51B525
secondary
#AD6DC9
accent
#3FE9B5
background
#F9FCF6
surface
#F1F9EC
border
#CBD2C7
text
#0D1307
muted
#7E827A