#21B44C#21B44C

#21B44C is a light, vivid green. Relative luminance 0.335; OKLCH L 67.5% C 0.187 H 147.6°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX#21B44C
RGBrgb(33, 180, 76)
HSLhsl(138, 69%, 42%)
HSVhsv(138, 82%, 71%)
CMYKcmyk(81.7%, 0%, 57.8%, 29.4%)
CIE-LABlab(64.55, -58.74, 42.10)
CIE-LCHlch(64.55, 72.27, 144.37°)
OKLaboklab(67.49% -0.1578 0.1)
OKLCHoklch(67.49% 0.187 147.6)
XYZxyz(18.2515, 33.4854, 12.3375)
Luminance0.3349 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B44C #B42189
analogous
#40B421 #21B44C #21B496
triadic
#21B44C #4C21B4 #B44C21
tetradic
#21B44C #2140B4 #B42189 #B49621
square
#21B44C #2140B4 #B42189 #B49621
split-complementary
#21B44C #9621B4 #B42140
monochromatic
#0E4D20 #188036 #21B44C #38DA67 #6BE48F

Accessibility & contrast

On white

2.73
#21B44C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.70
#21B44C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B44C
7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B44C#FFFFFF#000000##000000
##21B44C1.002.737.707.70
#FFFFFF2.731.0021.0021.00
#0000007.7021.001.001.00
##0000007.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#B6A342
Deuteranopia (green-blind)
#A69854
Tritanopia (blue-blind)
#00B09D
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #21b44c;
/* rgb */ color: rgb(33, 180, 76);
/* oklch */ color: oklch(67.5% 0.187 147.6);
Tailwind
colors: {
  custom: {
    50: '#77cc81',
    500: '#21b44c',
    950: '#000000',
  },
}
SCSS
$custom: #21b44c;
$custom-light: #77cc81;
$custom-dark: #000000;
JSON
{
  "hex": "#21b44c",
  "rgb": {
    "r": 33,
    "g": 180,
    "b": 76
  },
  "hsl": {
    "h": 137.551,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.6749,
    "c": 0.18685,
    "h": 147.6
  },
  "luminance": 0.33488
}

Semantic roles & 50–950 ramp

primary
#21B44C
secondary
#CA67AD
accent
#3CB8EC
background
#F8FCF8
surface
#EFF9EF
border
#CAD2CA
text
#0A130A
muted
#7C827C

Preview Lab

Preview with #21B44C

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

Preview Lab → · Contrast checker → · Palette generator →

#21B44C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva