#21BC5C#21BC5C

#21BC5C is a light, vivid green. Relative luminance 0.371; OKLCH L 69.9% C 0.183 H 150.1°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX#21BC5C
RGBrgb(33, 188, 92)
HSLhsl(143, 70%, 43%)
HSVhsv(143, 82%, 74%)
CMYKcmyk(82.4%, 0%, 51.1%, 26.3%)
CIE-LABlab(67.32, -59.10, 37.69)
CIE-LCHlch(67.32, 70.09, 147.47°)
OKLaboklab(69.85% -0.1585 0.0913)
OKLCHoklch(69.85% 0.183 150.1)
XYZxyz(20.5404, 37.0599, 16.1939)
Luminance0.3706 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21BC5C #BC2181
analogous
#33BC21 #21BC5C #21BCA9
triadic
#21BC5C #5C21BC #BC5C21
tetradic
#21BC5C #2133BC #BC2181 #BCA921
square
#21BC5C #2133BC #BC2181 #BCA921
split-complementary
#21BC5C #A921BC #BC2133
monochromatic
#0F5429 #188843 #21BC5C #3DDD7A #71E69E

Accessibility & contrast

On white

2.50
#21BC5C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.41
#21BC5C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BC5C
8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21BC5C#FFFFFF#000000##000000
##21BC5C1.002.508.418.41
#FFFFFF2.501.0021.0021.00
#0000008.4121.001.001.00
##0000008.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#BDAB54
Deuteranopia (green-blind)
#AC9F63
Tritanopia (blue-blind)
#00B9A6
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #21bc5c;
/* rgb */ color: rgb(33, 188, 92);
/* oklch */ color: oklch(69.9% 0.183 150.1);
Tailwind
colors: {
  custom: {
    50: '#79d18c',
    500: '#21bc5c',
    950: '#000000',
  },
}
SCSS
$custom: #21bc5c;
$custom-light: #79d18c;
$custom-dark: #000000;
JSON
{
  "hex": "#21bc5c",
  "rgb": {
    "r": 33,
    "g": 188,
    "b": 92
  },
  "hsl": {
    "h": 142.839,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.69851,
    "c": 0.18295,
    "h": 150.1
  },
  "luminance": 0.37062
}

Semantic roles & 50–950 ramp

primary
#21BC5C
secondary
#CD6CA8
accent
#3BA9ED
background
#F8FDF8
surface
#EFFAF0
border
#CAD3CB
text
#0B140C
muted
#7C837D

Preview Lab

Preview with #21BC5C

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

Preview Lab → · Contrast checker → · Palette generator →

#21BC5C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva