#51B554#51B554
#51B554 is a light, vivid green. Relative luminance 0.354; OKLCH L 69.1% C 0.165 H 144.1°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).
Color values
| HEX | #51B554 |
|---|---|
| RGB | rgb(81, 181, 84) |
| HSL | hsl(122, 40%, 51%) |
| HSV | hsv(122, 55%, 71%) |
| CMYK | cmyk(55.2%, 0%, 53.6%, 29%) |
| CIE-LAB | lab(66.09, -49.09, 40.36) |
| CIE-LCH | lch(66.09, 63.55, 140.57°) |
| OKLab | oklab(69.11% -0.1333 0.0966) |
| OKLCH | oklch(69.11% 0.165 144.1) |
| XYZ | xyz(21.5163, 35.4353, 14.0916) |
| Luminance | 0.3544 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Dark Pastel Green
#56AE57
ΔE00 2.29
Medium Green
#39AD48
ΔE00 3.05
Boring Green
#63B365
ΔE00 3.24
Leafy Green
#51B73B
ΔE00 3.67
Shamrock
#01B44C
ΔE00 3.82
Fern
#63B76C
ΔE00 3.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51B554 #B551B2
analogous
#80B551 #51B554 #51B586
triadic
#51B554 #5451B5 #B55451
tetradic
#51B554 #5180B5 #B551B2 #B58651
square
#51B554 #5180B5 #B551B2 #B58651
split-complementary
#51B554 #8651B5 #B55180
monochromatic
#2A622B #3C8D3E #51B554 #7CC77E #A7DAA8
Accessibility & contrast
On white
2.60
#51B554 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.09
#51B554 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51B554
8.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51B554 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51B554 | 1.00 | 2.60 | 8.09 | 8.09 |
| #FFFFFF | 2.60 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.09 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.09 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B8A64B
Deuteranopia (green-blind)
#AB9D5B
Tritanopia (blue-blind)
#40B09F
Achromatopsia (no color)
#A1A1A1
Design tokens & code
CSS
--color: #51b554; /* rgb */ color: rgb(81, 181, 84); /* oklch */ color: oklch(69.1% 0.165 144.1);
Tailwind
colors: {
custom: {
50: '#8bcc86',
500: '#51b554',
950: '#000000',
},
}SCSS
$custom: #51b554; $custom-light: #8bcc86; $custom-dark: #000000;
JSON
{
"hex": "#51b554",
"rgb": {
"r": 81,
"g": 181,
"b": 84
},
"hsl": {
"h": 121.8,
"s": 40.323,
"l": 51.373
},
"oklch": {
"l": 0.69107,
"c": 0.16466,
"h": 144.1
},
"luminance": 0.35437
}Semantic roles & 50–950 ramp
primary
#51B554
secondary
#C79BC6
accent
#58CDD0
background
#F8FCF8
surface
#F0F9EF
border
#CBD2CA
text
#0D130B
muted
#7D827C