#51B366#51B366
#51B366 is a light, vivid green. Relative luminance 0.349; OKLCH L 68.9% C 0.145 H 148.4°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #51B366 |
|---|---|
| RGB | rgb(81, 179, 102) |
| HSL | hsl(133, 39%, 51%) |
| HSV | hsv(133, 55%, 70%) |
| CMYK | cmyk(54.7%, 0%, 43%, 29.8%) |
| CIE-LAB | lab(65.71, -45.61, 30.79) |
| CIE-LCH | lch(65.71, 55.03, 145.98°) |
| OKLab | oklab(68.88% -0.1235 0.0759) |
| OKLCH | oklch(68.88% 0.145 148.4) |
| XYZ | xyz(21.9103, 34.9470, 18.1586) |
| Luminance | 0.3495 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Fern
#63B76C
ΔE00 2.18
Boring Green
#63B365
ΔE00 2.19
Algae
#54AC68
ΔE00 2.37
Cool Green
#33B864
ΔE00 2.66
Dark Pastel Green
#56AE57
ΔE00 2.84
Mediumseagreen
#3CB371
ΔE00 3.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51B366 #B3519E
analogous
#6DB351 #51B366 #51B397
triadic
#51B366 #6651B3 #B36651
tetradic
#51B366 #516DB3 #B3519E #B39751
square
#51B366 #516DB3 #B3519E #B39751
split-complementary
#51B366 #9751B3 #B3516D
monochromatic
#2A6035 #3C8A4D #51B366 #7CC68B #A6D8B1
Accessibility & contrast
On white
2.63
#51B366 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.99
#51B366 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51B366
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51B366 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51B366 | 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)
#B5A560
Deuteranopia (green-blind)
#A79C6B
Tritanopia (blue-blind)
#3CB0A0
Achromatopsia (no color)
#A0A0A0
Design tokens & code
CSS
--color: #51b366; /* rgb */ color: rgb(81, 179, 102); /* oklch */ color: oklch(68.9% 0.145 148.4);
Tailwind
colors: {
custom: {
50: '#8aca92',
500: '#51b366',
950: '#000000',
},
}SCSS
$custom: #51b366; $custom-light: #8aca92; $custom-dark: #000000;
JSON
{
"hex": "#51b366",
"rgb": {
"r": 81,
"g": 179,
"b": 102
},
"hsl": {
"h": 132.857,
"s": 39.2,
"l": 50.98
},
"oklch": {
"l": 0.68877,
"c": 0.145,
"h": 148.4
},
"luminance": 0.34949
}Semantic roles & 50–950 ramp
primary
#51B366
secondary
#C69ABC
accent
#59B6CF
background
#F8FCF9
surface
#F0F8F1
border
#CBD1CB
text
#0C130D
muted
#7D827E