#21C23B#21C23B

#21C23B is a light, highly saturated green. Relative luminance 0.392; OKLCH L 71.1% C 0.215 H 144.7°. Best body text is #000000 at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#21C23B
RGB	rgb(33, 194, 59)
HSL	hsl(130, 71%, 45%)
HSV	hsv(130, 83%, 76%)
CMYK	cmyk(83%, 0%, 69.6%, 23.9%)
CIE-LAB	lab(68.91, -65.13, 54.35)
CIE-LCH	lch(68.91, 84.83, 140.16°)
OKLab	oklab(71.06% -0.1757 0.1245)
OKLCH	oklch(71.06% 0.215 144.7)
XYZ	xyz(20.7069, 39.2201, 10.6157)
Luminance	0.3922 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21C23B #C221A8

analogous

#58C221 #21C23B #21C28B

triadic

#21C23B #3B21C2 #C23B21

tetradic

#21C23B #2158C2 #C221A8 #C28B21

square

#21C23B #2158C2 #C221A8 #C28B21

split-complementary

#21C23B #8B21C2 #C22158

monochromatic

#0F591B #188E2B #21C23B #41DF5B #76E888

Accessibility & contrast

On white

2.37

#21C23B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.84

#21C23B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21C23B

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21C23B	#FFFFFF	#000000	##000000
##21C23B	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)

#C5AF27

Deuteranopia (green-blind)

#B5A448

Tritanopia (blue-blind)

#00BDA7

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #21c23b;
/* rgb */ color: rgb(33, 194, 59);
/* oklch */ color: oklch(71.1% 0.215 144.7);

Tailwind

colors: {
  custom: {
    50: '#7cd678',
    500: '#21c23b',
    950: '#000000',
  },
}

SCSS

$custom: #21c23b;
$custom-light: #7cd678;
$custom-dark: #000000;

JSON

{
  "hex": "#21c23b",
  "rgb": {
    "r": 33,
    "g": 194,
    "b": 59
  },
  "hsl": {
    "h": 129.689,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.71062,
    "c": 0.21537,
    "h": 144.7
  },
  "luminance": 0.39223
}

Semantic roles & 50–950 ramp

primary

#21C23B

secondary

#CF70C0

accent

#3AD1EE

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0B1409

muted

#7C837B

Preview Lab

Preview with #21C23B

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

Preview Lab → · Contrast checker → · Palette generator →