#21C23A#21C23A

#21C23A is a light, highly saturated green. Relative luminance 0.392; OKLCH L 71.1% C 0.216 H 144.6°. Best body text is #000000 at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#21C23A
RGB	rgb(33, 194, 58)
HSL	hsl(129, 71%, 45%)
HSV	hsv(129, 83%, 76%)
CMYK	cmyk(83%, 0%, 70.1%, 23.9%)
CIE-LAB	lab(68.90, -65.23, 54.73)
CIE-LCH	lch(68.90, 85.14, 140.00°)
OKLab	oklab(71.05% -0.176 0.1252)
OKLCH	oklch(71.05% 0.216 144.6)
XYZ	xyz(20.6812, 39.2098, 10.4804)
Luminance	0.3921 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21C23A #C221A9

analogous

#58C221 #21C23A #21C28B

triadic

#21C23A #3A21C2 #C23A21

tetradic

#21C23A #2158C2 #C221A9 #C28B21

square

#21C23A #2158C2 #C221A9 #C28B21

split-complementary

#21C23A #8B21C2 #C22158

monochromatic

#0F591B #188E2A #21C23A #41DF5A #76E887

Accessibility & contrast

On white

2.37

#21C23A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.84

#21C23A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21C23A

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21C23A	#FFFFFF	#000000	##000000
##21C23A	1.00	2.37	8.84	8.84
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.84	21.00	1.00	1.00
##000000	8.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF25

Deuteranopia (green-blind)

#B5A448

Tritanopia (blue-blind)

#00BDA7

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #21c23a;
/* rgb */ color: rgb(33, 194, 58);
/* oklch */ color: oklch(71.1% 0.216 144.6);

Tailwind

colors: {
  custom: {
    50: '#7cd677',
    500: '#21c23a',
    950: '#000000',
  },
}

SCSS

$custom: #21c23a;
$custom-light: #7cd677;
$custom-dark: #000000;

JSON

{
  "hex": "#21c23a",
  "rgb": {
    "r": 33,
    "g": 194,
    "b": 58
  },
  "hsl": {
    "h": 129.317,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.71053,
    "c": 0.216,
    "h": 144.6
  },
  "luminance": 0.39212
}

Semantic roles & 50–950 ramp

primary

#21C23A

secondary

#CF70C0

accent

#3AD2EE

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0B1409

muted

#7C837B

Preview Lab

Preview with #21C23A

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

Preview Lab → · Contrast checker → · Palette generator →