#21AD2B#21AD2B

#21AD2B is a light, highly saturated green. Relative luminance 0.304; OKLCH L 65.3% C 0.202 H 143.5°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX#21AD2B
RGBrgb(33, 173, 43)
HSLhsl(124, 68%, 40%)
HSVhsv(124, 81%, 68%)
CMYKcmyk(80.9%, 0%, 75.1%, 32.2%)
CIE-LABlab(61.98, -60.02, 53.18)
CIE-LCHlch(61.98, 80.20, 138.46°)
OKLaboklab(65.26% -0.1625 0.1201)
OKLCHoklch(65.26% 0.202 143.5)
XYZxyz(16.0058, 30.3829, 7.3060)
Luminance0.3039 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21AD2B #AD21A3
analogous
#5DAD21 #21AD2B #21AD71
triadic
#21AD2B #2B21AD #AD2B21
tetradic
#21AD2B #215DAD #AD21A3 #AD7121
square
#21AD2B #215DAD #AD21A3 #AD7121
split-complementary
#21AD2B #7121AD #AD215D
monochromatic
#0D4611 #177A1E #21AD2B #33D83F #66E26F

Accessibility & contrast

On white

2.97
#21AD2B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.08
#21AD2B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AD2B
7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21AD2B#FFFFFF#000000##000000
##21AD2B1.002.977.087.08
#FFFFFF2.971.0021.0021.00
#0000007.0821.001.001.00
##0000007.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#B19C10
Deuteranopia (green-blind)
#A29239
Tritanopia (blue-blind)
#00A894
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #21ad2b;
/* rgb */ color: rgb(33, 173, 43);
/* oklch */ color: oklch(65.3% 0.202 143.5);
Tailwind
colors: {
  custom: {
    50: '#77c76d',
    500: '#21ad2b',
    950: '#000000',
  },
}
SCSS
$custom: #21ad2b;
$custom-light: #77c76d;
$custom-dark: #000000;
JSON
{
  "hex": "#21ad2b",
  "rgb": {
    "r": 33,
    "g": 173,
    "b": 43
  },
  "hsl": {
    "h": 124.286,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.65263,
    "c": 0.20205,
    "h": 143.5
  },
  "luminance": 0.30385
}

Semantic roles & 50–950 ramp

primary
#21AD2B
secondary
#C762C0
accent
#3DDEEB
background
#F8FCF6
surface
#EFF8EC
border
#CAD1C7
text
#0A1308
muted
#7C827B

Preview Lab

Preview with #21AD2B

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

Preview Lab → · Contrast checker → · Palette generator →

#21AD2B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva