#51B528#51B528
#51B528 is a light, vivid green. Relative luminance 0.349; OKLCH L 68.7% C 0.196 H 138.6°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #51B528 |
|---|---|
| RGB | rgb(81, 181, 40) |
| HSL | hsl(103, 64%, 43%) |
| HSV | hsv(103, 78%, 71%) |
| CMYK | cmyk(55.2%, 0%, 77.9%, 29%) |
| CIE-LAB | lab(65.71, -53.32, 58.23) |
| CIE-LCH | lch(65.71, 78.96, 132.48°) |
| OKLab | oklab(68.68% -0.1472 0.1298) |
| OKLCH | oklch(68.68% 0.196 138.6) |
| XYZ | xyz(20.2994, 34.9486, 7.6831) |
| Luminance | 0.3495 (WCAG relative) |
| Temperature | warm |
| Family | green |
Closest named colors
Leafy Green
#51B73B
ΔE00 1.96
Kelly Green
#4CBB17
ΔE00 2.06
Grass
#5CAC2D
ΔE00 2.85
Kermit Green
#5CB200
ΔE00 2.97
Frog Green
#58BC08
ΔE00 3.05
Green (survey)
#15B01A
ΔE00 3.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51B528 #8C28B5
analogous
#97B528 #51B528 #28B545
triadic
#51B528 #2851B5 #B52851
tetradic
#51B528 #2897B5 #8C28B5 #B54528
square
#51B528 #2897B5 #8C28B5 #B54528
split-complementary
#51B528 #4528B5 #B52897
monochromatic
#245112 #3B831D #51B528 #6FD644 #95E177
Accessibility & contrast
On white
2.63
#51B528 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.99
#51B528 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51B528
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51B528 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51B528 | 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)
#AE9C38
Tritanopia (blue-blind)
#48AF9B
Achromatopsia (no color)
#A0A0A0
Design tokens & code
CSS
--color: #51b528; /* rgb */ color: rgb(81, 181, 40); /* oklch */ color: oklch(68.7% 0.196 138.6);
Tailwind
colors: {
custom: {
50: '#8ccc6d',
500: '#51b528',
950: '#000000',
},
}SCSS
$custom: #51b528; $custom-light: #8ccc6d; $custom-dark: #000000;
JSON
{
"hex": "#51b528",
"rgb": {
"r": 81,
"g": 181,
"b": 40
},
"hsl": {
"h": 102.553,
"s": 63.801,
"l": 43.333
},
"oklch": {
"l": 0.68675,
"c": 0.19625,
"h": 138.6
},
"luminance": 0.3495
}Semantic roles & 50–950 ramp
primary
#51B528
secondary
#AF70C8
accent
#41E7B7
background
#F9FCF6
surface
#F1F9EC
border
#CBD2C7
text
#0D1308
muted
#7E827B