#21BD3B#21BD3B

#21BD3B is a light, highly saturated green. Relative luminance 0.370; OKLCH L 69.7% C 0.210 H 144.8°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX#21BD3B
RGBrgb(33, 189, 59)
HSLhsl(130, 70%, 44%)
HSVhsv(130, 83%, 74%)
CMYKcmyk(82.5%, 0%, 68.8%, 25.9%)
CIE-LABlab(67.30, -63.59, 52.64)
CIE-LCHlch(67.30, 82.55, 140.38°)
OKLaboklab(69.72% -0.1715 0.1209)
OKLCHoklch(69.72% 0.21 144.8)
XYZxyz(19.6128, 37.0319, 10.2510)
Luminance0.3703 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21BD3B #BD21A3
analogous
#55BD21 #21BD3B #21BD89
triadic
#21BD3B #3B21BD #BD3B21
tetradic
#21BD3B #2155BD #BD21A3 #BD8921
square
#21BD3B #2155BD #BD21A3 #BD8921
split-complementary
#21BD3B #8921BD #BD2155
monochromatic
#0F551A #18892B #21BD3B #3EDD58 #72E685

Accessibility & contrast

On white

2.50
#21BD3B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.41
#21BD3B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BD3B
8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21BD3B#FFFFFF#000000##000000
##21BD3B1.002.508.418.41
#FFFFFF2.501.0021.0021.00
#0000008.4121.001.001.00
##0000008.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#C0AB28
Deuteranopia (green-blind)
#B09F48
Tritanopia (blue-blind)
#00B8A3
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #21bd3b;
/* rgb */ color: rgb(33, 189, 59);
/* oklch */ color: oklch(69.7% 0.210 144.8);
Tailwind
colors: {
  custom: {
    50: '#7ad277',
    500: '#21bd3b',
    950: '#000000',
  },
}
SCSS
$custom: #21bd3b;
$custom-light: #7ad277;
$custom-dark: #000000;
JSON
{
  "hex": "#21bd3b",
  "rgb": {
    "r": 33,
    "g": 189,
    "b": 59
  },
  "hsl": {
    "h": 130,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.69723,
    "c": 0.20987,
    "h": 144.8
  },
  "luminance": 0.37034
}

Semantic roles & 50–950 ramp

primary
#21BD3B
secondary
#CD6DBD
accent
#3BCFED
background
#F8FDF7
surface
#EFFAEE
border
#CAD3C9
text
#0B1409
muted
#7C837B

Preview Lab

Preview with #21BD3B

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

Preview Lab → · Contrast checker → · Palette generator →

#21BD3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva