#21BB38#21BB38

#21BB38 is a light, highly saturated green. Relative luminance 0.361; OKLCH L 69.2% C 0.210 H 144.5°. Best body text is #000000 at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#21BB38
RGB	rgb(33, 187, 56)
HSL	hsl(129, 70%, 43%)
HSV	hsv(129, 82%, 73%)
CMYK	cmyk(82.4%, 0%, 70.1%, 26.7%)
CIE-LAB	lab(66.63, -63.26, 53.11)
CIE-LCH	lch(66.63, 82.60, 139.98°)
OKLab	oklab(69.16% -0.1707 0.1216)
OKLCH	oklch(69.16% 0.21 144.5)
XYZ	xyz(19.1100, 36.1471, 9.7105)
Luminance	0.3615 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BB38 #BB21A4

analogous

#57BB21 #21BB38 #21BB85

triadic

#21BB38 #3821BB #BB3821

tetradic

#21BB38 #2157BB #BB21A4 #BB8521

square

#21BB38 #2157BB #BB21A4 #BB8521

split-complementary

#21BB38 #8521BB #BB2157

monochromatic

#0F5319 #188728 #21BB38 #3DDD54 #71E682

Accessibility & contrast

On white

2.55

#21BB38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.23

#21BB38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BB38

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BB38	#FFFFFF	#000000	##000000
##21BB38	1.00	2.55	8.23	8.23
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.23	21.00	1.00	1.00
##000000	8.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEA924

Deuteranopia (green-blind)

#AE9E45

Tritanopia (blue-blind)

#00B6A1

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #21bb38;
/* rgb */ color: rgb(33, 187, 56);
/* oklch */ color: oklch(69.2% 0.210 144.5);

Tailwind

colors: {
  custom: {
    50: '#7ad176',
    500: '#21bb38',
    950: '#000000',
  },
}

SCSS

$custom: #21bb38;
$custom-light: #7ad176;
$custom-dark: #000000;

JSON

{
  "hex": "#21bb38",
  "rgb": {
    "r": 33,
    "g": 187,
    "b": 56
  },
  "hsl": {
    "h": 128.961,
    "s": 70,
    "l": 43.137
  },
  "oklch": {
    "l": 0.69159,
    "c": 0.2096,
    "h": 144.5
  },
  "luminance": 0.3615
}

Semantic roles & 50–950 ramp

primary

#21BB38

secondary

#CC6BBE

accent

#3BD2ED

background

#F8FDF7

surface

#EFFAED

border

#CAD3C8

text

#0B1409

muted

#7C837B

Preview Lab

Preview with #21BB38

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

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