#21AC37#21AC37

#21AC37 is a light, vivid green. Relative luminance 0.301; OKLCH L 65.1% C 0.193 H 144.9°. Best body text is #000000 at 7.02:1 contrast (WCAG AA passes).

Color values

HEX#21AC37
RGBrgb(33, 172, 55)
HSLhsl(129, 68%, 40%)
HSVhsv(129, 81%, 67%)
CMYKcmyk(80.8%, 0%, 68%, 32.5%)
CIE-LABlab(61.74, -58.63, 48.30)
CIE-LCHlch(61.74, 75.96, 140.51°)
OKLaboklab(65.09% -0.1582 0.1114)
OKLCHoklch(65.09% 0.193 144.9)
XYZxyz(16.0682, 30.1023, 8.5772)
Luminance0.3010 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21AC37 #AC2196
analogous
#51AC21 #21AC37 #21AC7C
triadic
#21AC37 #3721AC #AC3721
tetradic
#21AC37 #2151AC #AC2196 #AC7C21
square
#21AC37 #2151AC #AC2196 #AC7C21
split-complementary
#21AC37 #7C21AC #AC2151
monochromatic
#0D4516 #177927 #21AC37 #32D84D #66E279

Accessibility & contrast

On white

2.99
#21AC37 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.02
#21AC37 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AC37
7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21AC37#FFFFFF#000000##000000
##21AC371.002.997.027.02
#FFFFFF2.991.0021.0021.00
#0000007.0221.001.001.00
##0000007.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#AF9B27
Deuteranopia (green-blind)
#A09142
Tritanopia (blue-blind)
#00A794
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #21ac37;
/* rgb */ color: rgb(33, 172, 55);
/* oklch */ color: oklch(65.1% 0.193 144.9);
Tailwind
colors: {
  custom: {
    50: '#76c674',
    500: '#21ac37',
    950: '#000000',
  },
}
SCSS
$custom: #21ac37;
$custom-light: #76c674;
$custom-dark: #000000;
JSON
{
  "hex": "#21ac37",
  "rgb": {
    "r": 33,
    "g": 172,
    "b": 55
  },
  "hsl": {
    "h": 129.496,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.65091,
    "c": 0.19344,
    "h": 144.9
  },
  "luminance": 0.30104
}

Semantic roles & 50–950 ramp

primary
#21AC37
secondary
#C762B7
accent
#3DCFEB
background
#F7FCF7
surface
#EEF8ED
border
#C9D1C8
text
#0A1308
muted
#7C827B

Preview Lab

Preview with #21AC37

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

Preview Lab → · Contrast checker → · Palette generator →

#21AC37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva