#21D423#21D423

#21D423 is a light, highly saturated green. Relative luminance 0.475; OKLCH L 75.7% C 0.246 H 142.7°. Best body text is #000000 at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#21D423
RGB	rgb(33, 212, 35)
HSL	hsl(121, 73%, 48%)
HSV	hsv(121, 84%, 83%)
CMYK	cmyk(84.4%, 0%, 83.5%, 16.9%)
CIE-LAB	lab(74.53, -72.11, 67.46)
CIE-LCH	lch(74.53, 98.74, 136.91°)
OKLab	oklab(75.7% -0.1956 0.1488)
OKLCH	oklch(75.7% 0.246 142.7)
XYZ	xyz(24.4725, 47.5286, 9.4739)
Luminance	0.4753 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21D423 #D421D2

analogous

#79D421 #21D423 #21D47C

triadic

#21D423 #2321D4 #D42321

tetradic

#21D423 #2179D4 #D421D2 #D47C21

square

#21D423 #2179D4 #D421D2 #D47C21

split-complementary

#21D423 #7C21D4 #D42179

monochromatic

#116A12 #199F1A #21D423 #4FE450 #84EC85

Accessibility & contrast

On white

2.00

#21D423 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.51

#21D423 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21D423

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21D423	#FFFFFF	#000000	##000000
##21D423	1.00	2.00	10.51	10.51
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.51	21.00	1.00	1.00
##000000	10.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9BF00

Deuteranopia (green-blind)

#C7B23B

Tritanopia (blue-blind)

#00CEB5

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #21d423;
/* rgb */ color: rgb(33, 212, 35);
/* oklch */ color: oklch(75.7% 0.246 142.7);

Tailwind

colors: {
  custom: {
    50: '#81e36f',
    500: '#21d423',
    950: '#000000',
  },
}

SCSS

$custom: #21d423;
$custom-light: #81e36f;
$custom-dark: #000000;

JSON

{
  "hex": "#21d423",
  "rgb": {
    "r": 33,
    "g": 212,
    "b": 35
  },
  "hsl": {
    "h": 120.67,
    "s": 73.061,
    "l": 48.039
  },
  "oklch": {
    "l": 0.75696,
    "c": 0.24581,
    "h": 142.7
  },
  "luminance": 0.47532
}

Semantic roles & 50–950 ramp

primary

#21D423

secondary

#D57CD4

accent

#38EEF0

background

#F9FEF7

surface

#F1FCED

border

#CBD5C8

text

#0D1608

muted

#7E847B

Preview Lab

Preview with #21D423

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

Preview Lab → · Contrast checker → · Palette generator →