#21BD5B#21BD5B

#21BD5B is a light, vivid green. Relative luminance 0.375; OKLCH L 70.1% C 0.185 H 149.8°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX#21BD5B
RGBrgb(33, 189, 91)
HSLhsl(142, 70%, 44%)
HSVhsv(142, 83%, 74%)
CMYKcmyk(82.5%, 0%, 51.9%, 25.9%)
CIE-LABlab(67.63, -59.59, 38.57)
CIE-LCHlch(67.63, 70.98, 147.09°)
OKLaboklab(70.1% -0.1599 0.0932)
OKLCHoklch(70.1% 0.185 149.8)
XYZxyz(20.7113, 37.4713, 16.0366)
Luminance0.3747 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21BD5B #BD2183
analogous
#35BD21 #21BD5B #21BDA9
triadic
#21BD5B #5B21BD #BD5B21
tetradic
#21BD5B #2135BD #BD2183 #BDA921
square
#21BD5B #2135BD #BD2183 #BDA921
split-complementary
#21BD5B #A921BD #BD2135
monochromatic
#0F5529 #188942 #21BD5B #3EDD79 #72E69D

Accessibility & contrast

On white

2.47
#21BD5B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.49
#21BD5B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BD5B
8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21BD5B#FFFFFF#000000##000000
##21BD5B1.002.478.498.49
#FFFFFF2.471.0021.0021.00
#0000008.4921.001.001.00
##0000008.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#BEAC53
Deuteranopia (green-blind)
#ADA062
Tritanopia (blue-blind)
#00B9A6
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #21bd5b;
/* rgb */ color: rgb(33, 189, 91);
/* oklch */ color: oklch(70.1% 0.185 149.8);
Tailwind
colors: {
  custom: {
    50: '#79d28b',
    500: '#21bd5b',
    950: '#000000',
  },
}
SCSS
$custom: #21bd5b;
$custom-light: #79d28b;
$custom-dark: #000000;
JSON
{
  "hex": "#21bd5b",
  "rgb": {
    "r": 33,
    "g": 189,
    "b": 91
  },
  "hsl": {
    "h": 142.308,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.70101,
    "c": 0.18505,
    "h": 149.8
  },
  "luminance": 0.37474
}

Semantic roles & 50–950 ramp

primary
#21BD5B
secondary
#CD6DA9
accent
#3BABED
background
#F8FDF8
surface
#EFFAF0
border
#CAD3CB
text
#0B140C
muted
#7C837D

Preview Lab

Preview with #21BD5B

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

Preview Lab → · Contrast checker → · Palette generator →

#21BD5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva