#21B237#21B237
#21B237 is a light, highly saturated green. Relative luminance 0.324; OKLCH L 66.7% C 0.200 H 144.7°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).
Color values
| HEX | #21B237 |
|---|---|
| RGB | rgb(33, 178, 55) |
| HSL | hsl(129, 69%, 41%) |
| HSV | hsv(129, 81%, 70%) |
| CMYK | cmyk(81.5%, 0%, 69.1%, 30.2%) |
| CIE-LAB | lab(63.70, -60.54, 50.41) |
| CIE-LCH | lch(63.70, 78.78, 140.22°) |
| OKLab | oklab(66.72% -0.1634 0.1158) |
| OKLCH | oklch(66.72% 0.2 144.7) |
| XYZ | xyz(17.2360, 32.4378, 8.9664) |
| Luminance | 0.3244 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Kelly Green (survey)
#02AB2E
ΔE00 2.25
Green (survey)
#15B01A
ΔE00 2.50
Medium Green
#39AD48
ΔE00 2.82
Shamrock
#01B44C
ΔE00 3.02
Leafy Green
#51B73B
ΔE00 3.58
Shamrock Green
#02C14D
ΔE00 4.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21B237 #B2219C
analogous
#54B221 #21B237 #21B280
triadic
#21B237 #3721B2 #B23721
tetradic
#21B237 #2154B2 #B2219C #B28021
square
#21B237 #2154B2 #B2219C #B28021
split-complementary
#21B237 #8021B2 #B22154
monochromatic
#0E4B17 #177E27 #21B237 #36DA4F #6AE37C
Accessibility & contrast
On white
2.80
#21B237 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.49
#21B237 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #21B237
7.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21B237 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##21B237 | 1.00 | 2.80 | 7.49 | 7.49 |
| #FFFFFF | 2.80 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.49 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.49 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B5A125
Deuteranopia (green-blind)
#A69643
Tritanopia (blue-blind)
#00AD99
Achromatopsia (no color)
#9A9A9A
Design tokens & code
CSS
--color: #21b237; /* rgb */ color: rgb(33, 178, 55); /* oklch */ color: oklch(66.7% 0.200 144.7);
Tailwind
colors: {
custom: {
50: '#78ca74',
500: '#21b237',
950: '#000000',
},
}SCSS
$custom: #21b237; $custom-light: #78ca74; $custom-dark: #000000;
JSON
{
"hex": "#21b237",
"rgb": {
"r": 33,
"g": 178,
"b": 55
},
"hsl": {
"h": 129.103,
"s": 68.72,
"l": 41.373
},
"oklch": {
"l": 0.66721,
"c": 0.20024,
"h": 144.7
},
"luminance": 0.3244
}Semantic roles & 50–950 ramp
primary
#21B237
secondary
#C966BA
accent
#3CD1EC
background
#F8FCF7
surface
#EFF9ED
border
#CAD2C8
text
#0B1309
muted
#7C827B