#21AD3F#21AD3F

#21AD3F is a light, vivid green. Relative luminance 0.306; OKLCH L 65.4% C 0.189 H 145.9°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX#21AD3F
RGBrgb(33, 173, 63)
HSLhsl(133, 68%, 40%)
HSVhsv(133, 81%, 68%)
CMYKcmyk(80.9%, 0%, 63.6%, 32.2%)
CIE-LABlab(62.14, -58.08, 45.30)
CIE-LCHlch(62.14, 73.65, 142.05°)
OKLaboklab(65.44% -0.1564 0.1058)
OKLCHoklch(65.44% 0.189 145.9)
XYZxyz(16.4667, 30.5673, 9.7339)
Luminance0.3057 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21AD3F #AD218F
analogous
#49AD21 #21AD3F #21AD85
triadic
#21AD3F #3F21AD #AD3F21
tetradic
#21AD3F #2149AD #AD218F #AD8521
square
#21AD3F #2149AD #AD218F #AD8521
split-complementary
#21AD3F #8521AD #AD2149
monochromatic
#0D461A #177A2C #21AD3F #33D856 #66E281

Accessibility & contrast

On white

2.95
#21AD3F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.11
#21AD3F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AD3F
7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21AD3F#FFFFFF#000000##000000
##21AD3F1.002.957.117.11
#FFFFFF2.951.0021.0021.00
#0000007.1121.001.001.00
##0000007.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#B09D32
Deuteranopia (green-blind)
#A09249
Tritanopia (blue-blind)
#00A996
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #21ad3f;
/* rgb */ color: rgb(33, 173, 63);
/* oklch */ color: oklch(65.4% 0.189 145.9);
Tailwind
colors: {
  custom: {
    50: '#76c778',
    500: '#21ad3f',
    950: '#000000',
  },
}
SCSS
$custom: #21ad3f;
$custom-light: #76c778;
$custom-dark: #000000;
JSON
{
  "hex": "#21ad3f",
  "rgb": {
    "r": 33,
    "g": 173,
    "b": 63
  },
  "hsl": {
    "h": 132.857,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.65445,
    "c": 0.18881,
    "h": 145.9
  },
  "luminance": 0.30569
}

Semantic roles & 50–950 ramp

primary
#21AD3F
secondary
#C762B2
accent
#3DC6EB
background
#F7FCF7
surface
#EEF8ED
border
#C9D1C8
text
#0A1309
muted
#7C827B

Preview Lab

Preview with #21AD3F

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

Preview Lab → · Contrast checker → · Palette generator →

#21AD3F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva