#21A551#21A551

#21A551 is a light, vivid green. Relative luminance 0.278; OKLCH L 63.5% C 0.164 H 150.0°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX#21A551
RGBrgb(33, 165, 81)
HSLhsl(142, 67%, 39%)
HSVhsv(142, 80%, 65%)
CMYKcmyk(80%, 0%, 50.9%, 35.3%)
CIE-LABlab(59.73, -52.87, 33.80)
CIE-LCHlch(59.73, 62.75, 147.41°)
OKLaboklab(63.51% -0.1419 0.082)
OKLCHoklch(63.51% 0.164 150)
XYZxyz(15.5662, 27.8258, 12.3335)
Luminance0.2783 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21A551 #A52175
analogous
#33A521 #21A551 #21A593
triadic
#21A551 #5121A5 #A55121
tetradic
#21A551 #2133A5 #A52175 #A59321
square
#21A551 #2133A5 #A52175 #A59321
split-complementary
#21A551 #9321A5 #A52133
monochromatic
#0D3F1F #177238 #21A551 #2ED56B #61DF8F

Accessibility & contrast

On white

3.20
#21A551 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.57
#21A551 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A551
6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21A551#FFFFFF#000000##000000
##21A5511.003.206.576.57
#FFFFFF3.201.0021.0021.00
#0000006.5721.001.001.00
##0000006.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#A6964A
Deuteranopia (green-blind)
#978C57
Tritanopia (blue-blind)
#00A291
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #21a551;
/* rgb */ color: rgb(33, 165, 81);
/* oklch */ color: oklch(63.5% 0.164 150.0);
Tailwind
colors: {
  custom: {
    50: '#73c183',
    500: '#21a551',
    950: '#000000',
  },
}
SCSS
$custom: #21a551;
$custom-light: #73c183;
$custom-dark: #000000;
JSON
{
  "hex": "#21a551",
  "rgb": {
    "r": 33,
    "g": 165,
    "b": 81
  },
  "hsl": {
    "h": 141.818,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.63513,
    "c": 0.16392,
    "h": 150
  },
  "luminance": 0.27828
}

Semantic roles & 50–950 ramp

primary
#21A551
secondary
#C45E9F
accent
#3EABEA
background
#F7FCF8
surface
#EEF8EF
border
#C9D1CA
text
#0A120B
muted
#7C817C

Preview Lab

Preview with #21A551

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

Preview Lab → · Contrast checker → · Palette generator →

#21A551 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva