#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
RGBrgb(33, 194, 59)
HSLhsl(130, 71%, 45%)
HSVhsv(130, 83%, 76%)
CMYKcmyk(83%, 0%, 69.6%, 23.9%)
CIE-LABlab(68.91, -65.13, 54.35)
CIE-LCHlch(68.91, 84.83, 140.16°)
OKLaboklab(71.06% -0.1757 0.1245)
OKLCHoklch(71.06% 0.215 144.7)
XYZxyz(20.7069, 39.2201, 10.6157)
Luminance0.3922 (WCAG relative)
Temperatureneutral
Familygreen

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
##21C23B1.002.378.848.84
#FFFFFF2.371.0021.0021.00
#0000008.8421.001.001.00
##0000008.8421.001.001.00

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 →

#21C23B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva