#21B33F#21B33F

#21B33F is a light, vivid green. Relative luminance 0.329; OKLCH L 67.1% C 0.196 H 145.7°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#21B33F
RGB	rgb(33, 179, 63)
HSL	hsl(132, 69%, 42%)
HSV	hsv(132, 82%, 70%)
CMYK	cmyk(81.6%, 0%, 64.8%, 29.8%)
CIE-LAB	lab(64.10, -60.02, 47.48)
CIE-LCH	lch(64.10, 76.53, 141.65°)
OKLab	oklab(67.07% -0.1617 0.1105)
OKLCH	oklch(67.07% 0.196 145.7)
XYZ	xyz(17.6432, 32.9202, 10.1260)
Luminance	0.3292 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B33F #B32195

analogous

#4CB321 #21B33F #21B388

triadic

#21B33F #3F21B3 #B33F21

tetradic

#21B33F #214CB3 #B32195 #B38821

square

#21B33F #214CB3 #B32195 #B38821

split-complementary

#21B33F #8821B3 #B3214C

monochromatic

#0E4C1B #177F2D #21B33F #37DA59 #6BE484

Accessibility & contrast

On white

2.77

#21B33F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.58

#21B33F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B33F

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B33F	#FFFFFF	#000000	##000000
##21B33F	1.00	2.77	7.58	7.58
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.58	21.00	1.00	1.00
##000000	7.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A231

Deuteranopia (green-blind)

#A69749

Tritanopia (blue-blind)

#00AE9B

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #21b33f;
/* rgb */ color: rgb(33, 179, 63);
/* oklch */ color: oklch(67.1% 0.196 145.7);

Tailwind

colors: {
  custom: {
    50: '#78cb79',
    500: '#21b33f',
    950: '#000000',
  },
}

SCSS

$custom: #21b33f;
$custom-light: #78cb79;
$custom-dark: #000000;

JSON

{
  "hex": "#21b33f",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 63
  },
  "hsl": {
    "h": 132.329,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.67069,
    "c": 0.1958,
    "h": 145.7
  },
  "luminance": 0.32922
}

Semantic roles & 50–950 ramp

primary

#21B33F

secondary

#CA66B5

accent

#3CC8EC

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #21B33F

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

Preview Lab → · Contrast checker → · Palette generator →