#21973B#21973B

#21973B is a mid, vivid green. Relative luminance 0.228; OKLCH L 59.4% C 0.165 H 146.4°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX#21973B
RGBrgb(33, 151, 59)
HSLhsl(133, 64%, 36%)
HSVhsv(133, 78%, 59%)
CMYKcmyk(78.1%, 0%, 60.9%, 40.8%)
CIE-LABlab(54.84, -51.18, 38.80)
CIE-LCHlch(54.84, 64.22, 142.83°)
OKLaboklab(59.37% -0.1378 0.0915)
OKLCHoklch(59.37% 0.165 146.4)
XYZxyz(12.4823, 22.7708, 7.8742)
Luminance0.2277 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21973B #97217D
analogous
#429721 #21973B #219776
triadic
#21973B #3B2197 #973B21
tetradic
#21973B #214297 #97217D #977621
square
#21973B #214297 #97217D #977621
split-complementary
#21973B #762197 #972142
monochromatic
#0B3314 #166527 #21973B #2CC94F #58DA75

Accessibility & contrast

On white

3.78
#21973B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.55
#21973B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21973B
5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21973B#FFFFFF#000000##000000
##21973B1.003.785.555.55
#FFFFFF3.781.0021.0021.00
#0000005.5521.001.001.00
##0000005.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#998931
Deuteranopia (green-blind)
#8C8043
Tritanopia (blue-blind)
#009383
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #21973b;
/* rgb */ color: rgb(33, 151, 59);
/* oklch */ color: oklch(59.4% 0.165 146.4);
Tailwind
colors: {
  custom: {
    50: '#71b774',
    500: '#21973b',
    950: '#000000',
  },
}
SCSS
$custom: #21973b;
$custom-light: #71b774;
$custom-dark: #000000;
JSON
{
  "hex": "#21973b",
  "rgb": {
    "r": 33,
    "g": 151,
    "b": 59
  },
  "hsl": {
    "h": 133.22,
    "s": 64.13,
    "l": 36.078
  },
  "oklch": {
    "l": 0.59367,
    "c": 0.16542,
    "h": 146.4
  },
  "luminance": 0.22772
}

Semantic roles & 50–950 ramp

primary
#21973B
secondary
#BE55A7
accent
#41C2E7
background
#F7FBF7
surface
#EDF6ED
border
#C8D0C8
text
#091108
muted
#7B807B

Preview Lab

Preview with #21973B

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

Preview Lab → · Contrast checker → · Palette generator →

#21973B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva