#21B43C#21B43C

#21B43C is a light, vivid green. Relative luminance 0.333; OKLCH L 67.3% C 0.199 H 145.2°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX#21B43C
RGBrgb(33, 180, 60)
HSLhsl(131, 69%, 42%)
HSVhsv(131, 82%, 71%)
CMYKcmyk(81.7%, 0%, 66.7%, 29.4%)
CIE-LABlab(64.39, -60.66, 49.09)
CIE-LCHlch(64.39, 78.04, 141.02°)
OKLaboklab(67.31% -0.1635 0.1136)
OKLCHoklch(67.31% 0.199 145.2)
XYZxyz(17.7628, 33.2899, 9.7635)
Luminance0.3329 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B43C #B42199
analogous
#50B421 #21B43C #21B485
triadic
#21B43C #3C21B4 #B43C21
tetradic
#21B43C #2150B4 #B42199 #B48521
square
#21B43C #2150B4 #B42199 #B48521
split-complementary
#21B43C #8521B4 #B42150
monochromatic
#0E4D1A #18802B #21B43C #38DA56 #6BE482

Accessibility & contrast

On white

2.74
#21B43C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.66
#21B43C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B43C
7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B43C#FFFFFF#000000##000000
##21B43C1.002.747.667.66
#FFFFFF2.741.0021.0021.00
#0000007.6621.001.001.00
##0000007.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B7A32C
Deuteranopia (green-blind)
#A79847
Tritanopia (blue-blind)
#00AF9B
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #21b43c;
/* rgb */ color: rgb(33, 180, 60);
/* oklch */ color: oklch(67.3% 0.199 145.2);
Tailwind
colors: {
  custom: {
    50: '#78cc77',
    500: '#21b43c',
    950: '#000000',
  },
}
SCSS
$custom: #21b43c;
$custom-light: #78cc77;
$custom-dark: #000000;
JSON
{
  "hex": "#21b43c",
  "rgb": {
    "r": 33,
    "g": 180,
    "b": 60
  },
  "hsl": {
    "h": 131.02,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.67309,
    "c": 0.19909,
    "h": 145.2
  },
  "luminance": 0.33292
}

Semantic roles & 50–950 ramp

primary
#21B43C
secondary
#CA67B8
accent
#3CCCEC
background
#F8FCF7
surface
#EFF9ED
border
#CAD2C8
text
#0B1309
muted
#7C827B

Preview Lab

Preview with #21B43C

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

Preview Lab → · Contrast checker → · Palette generator →

#21B43C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva