#21BB3C#21BB3C

#21BB3C is a light, highly saturated green. Relative luminance 0.362; OKLCH L 69.2% C 0.207 H 145.0°. Best body text is #000000 at 8.24:1 contrast (WCAG AA passes).

Color values

HEX#21BB3C
RGBrgb(33, 187, 60)
HSLhsl(131, 70%, 43%)
HSVhsv(131, 82%, 73%)
CMYKcmyk(82.4%, 0%, 67.9%, 26.7%)
CIE-LABlab(66.66, -62.87, 51.55)
CIE-LCHlch(66.66, 81.30, 140.65°)
OKLaboklab(69.19% -0.1695 0.1188)
OKLCHoklch(69.19% 0.207 145)
XYZxyz(19.2117, 36.1878, 10.2465)
Luminance0.3619 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21BB3C #BB21A0
analogous
#53BB21 #21BB3C #21BB89
triadic
#21BB3C #3C21BB #BB3C21
tetradic
#21BB3C #2153BB #BB21A0 #BB8921
square
#21BB3C #2153BB #BB21A0 #BB8921
split-complementary
#21BB3C #8921BB #BB2153
monochromatic
#0F531B #18872B #21BB3C #3DDD59 #71E685

Accessibility & contrast

On white

2.55
#21BB3C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.24
#21BB3C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BB3C
8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21BB3C#FFFFFF#000000##000000
##21BB3C1.002.558.248.24
#FFFFFF2.551.0021.0021.00
#0000008.2421.001.001.00
##0000008.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#BEA92A
Deuteranopia (green-blind)
#AE9E48
Tritanopia (blue-blind)
#00B6A1
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #21bb3c;
/* rgb */ color: rgb(33, 187, 60);
/* oklch */ color: oklch(69.2% 0.207 145.0);
Tailwind
colors: {
  custom: {
    50: '#7ad178',
    500: '#21bb3c',
    950: '#000000',
  },
}
SCSS
$custom: #21bb3c;
$custom-light: #7ad178;
$custom-dark: #000000;
JSON
{
  "hex": "#21bb3c",
  "rgb": {
    "r": 33,
    "g": 187,
    "b": 60
  },
  "hsl": {
    "h": 130.519,
    "s": 70,
    "l": 43.137
  },
  "oklch": {
    "l": 0.69195,
    "c": 0.20698,
    "h": 145
  },
  "luminance": 0.3619
}

Semantic roles & 50–950 ramp

primary
#21BB3C
secondary
#CC6BBB
accent
#3BCEED
background
#F8FDF7
surface
#EFFAEE
border
#CAD3C9
text
#0B1409
muted
#7C837B

Preview Lab

Preview with #21BB3C

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

Preview Lab → · Contrast checker → · Palette generator →

#21BB3C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva