#21AD3A#21AD3A

#21AD3A is a light, vivid green. Relative luminance 0.305; OKLCH L 65.4% C 0.192 H 145.2°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX#21AD3A
RGBrgb(33, 173, 58)
HSLhsl(131, 68%, 40%)
HSVhsv(131, 81%, 68%)
CMYKcmyk(80.9%, 0%, 66.5%, 32.2%)
CIE-LABlab(62.10, -58.64, 47.43)
CIE-LCHlch(62.10, 75.41, 141.03°)
OKLaboklab(65.39% -0.1581 0.1098)
OKLCHoklch(65.39% 0.192 145.2)
XYZxyz(16.3333, 30.5140, 9.0311)
Luminance0.3052 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21AD3A #AD2194
analogous
#4EAD21 #21AD3A #21AD80
triadic
#21AD3A #3A21AD #AD3A21
tetradic
#21AD3A #214EAD #AD2194 #AD8021
square
#21AD3A #214EAD #AD2194 #AD8021
split-complementary
#21AD3A #8021AD #AD214E
monochromatic
#0D4618 #177A29 #21AD3A #33D851 #66E27D

Accessibility & contrast

On white

2.96
#21AD3A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.10
#21AD3A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AD3A
7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21AD3A#FFFFFF#000000##000000
##21AD3A1.002.967.107.10
#FFFFFF2.961.0021.0021.00
#0000007.1021.001.001.00
##0000007.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#B09C2B
Deuteranopia (green-blind)
#A19245
Tritanopia (blue-blind)
#00A895
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #21ad3a;
/* rgb */ color: rgb(33, 173, 58);
/* oklch */ color: oklch(65.4% 0.192 145.2);
Tailwind
colors: {
  custom: {
    50: '#76c775',
    500: '#21ad3a',
    950: '#000000',
  },
}
SCSS
$custom: #21ad3a;
$custom-light: #76c775;
$custom-dark: #000000;
JSON
{
  "hex": "#21ad3a",
  "rgb": {
    "r": 33,
    "g": 173,
    "b": 58
  },
  "hsl": {
    "h": 130.714,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.65392,
    "c": 0.19248,
    "h": 145.2
  },
  "luminance": 0.30516
}

Semantic roles & 50–950 ramp

primary
#21AD3A
secondary
#C762B5
accent
#3DCCEB
background
#F7FCF7
surface
#EEF8ED
border
#C9D1C8
text
#0A1309
muted
#7C827B

Preview Lab

Preview with #21AD3A

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

Preview Lab → · Contrast checker → · Palette generator →

#21AD3A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva