#21B437#21B437

#21B437 is a light, highly saturated green. Relative luminance 0.332; OKLCH L 67.3% C 0.202 H 144.6°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#21B437
RGB	rgb(33, 180, 55)
HSL	hsl(129, 69%, 42%)
HSV	hsv(129, 82%, 71%)
CMYK	cmyk(81.7%, 0%, 69.4%, 29.4%)
CIE-LAB	lab(64.35, -61.17, 51.10)
CIE-LCH	lch(64.35, 79.70, 140.12°)
OKLab	oklab(67.26% -0.1651 0.1172)
OKLCH	oklch(67.26% 0.202 144.6)
XYZ	xyz(17.6368, 33.2395, 9.1000)
Luminance	0.3324 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B437 #B4219E

analogous

#54B421 #21B437 #21B481

triadic

#21B437 #3721B4 #B43721

tetradic

#21B437 #2154B4 #B4219E #B48121

square

#21B437 #2154B4 #B4219E #B48121

split-complementary

#21B437 #8121B4 #B42154

monochromatic

#0E4D17 #188027 #21B437 #38DA50 #6BE47D

Accessibility & contrast

On white

2.75

#21B437 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#21B437 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B437

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B437	#FFFFFF	#000000	##000000
##21B437	1.00	2.75	7.65	7.65
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A325

Deuteranopia (green-blind)

#A89843

Tritanopia (blue-blind)

#00AF9B

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #21b437;
/* rgb */ color: rgb(33, 180, 55);
/* oklch */ color: oklch(67.3% 0.202 144.6);

Tailwind

colors: {
  custom: {
    50: '#78cc74',
    500: '#21b437',
    950: '#000000',
  },
}

SCSS

$custom: #21b437;
$custom-light: #78cc74;
$custom-dark: #000000;

JSON

{
  "hex": "#21b437",
  "rgb": {
    "r": 33,
    "g": 180,
    "b": 55
  },
  "hsl": {
    "h": 128.98,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.67262,
    "c": 0.20248,
    "h": 144.6
  },
  "luminance": 0.33242
}

Semantic roles & 50–950 ramp

primary

#21B437

secondary

#CA67BB

accent

#3CD2EC

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #21B437

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →