#21BC5A#21BC5A

#21BC5A is a light, vivid green. Relative luminance 0.370; OKLCH L 69.8% C 0.185 H 149.7°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX#21BC5A
RGBrgb(33, 188, 90)
HSLhsl(142, 70%, 43%)
HSVhsv(142, 82%, 74%)
CMYKcmyk(82.4%, 0%, 52.1%, 26.3%)
CIE-LABlab(67.30, -59.41, 38.65)
CIE-LCHlch(67.30, 70.87, 146.95°)
OKLaboklab(69.82% -0.1594 0.0933)
OKLCHoklch(69.82% 0.185 149.7)
XYZxyz(20.4541, 37.0254, 15.7395)
Luminance0.3703 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21BC5A #BC2183
analogous
#35BC21 #21BC5A #21BCA8
triadic
#21BC5A #5A21BC #BC5A21
tetradic
#21BC5A #2135BC #BC2183 #BCA821
square
#21BC5A #2135BC #BC2183 #BCA821
split-complementary
#21BC5A #A821BC #BC2135
monochromatic
#0F5428 #188841 #21BC5A #3DDD78 #71E69C

Accessibility & contrast

On white

2.50
#21BC5A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.41
#21BC5A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BC5A
8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21BC5A#FFFFFF#000000##000000
##21BC5A1.002.508.418.41
#FFFFFF2.501.0021.0021.00
#0000008.4121.001.001.00
##0000008.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#BDAB51
Deuteranopia (green-blind)
#AC9F61
Tritanopia (blue-blind)
#00B8A6
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #21bc5a;
/* rgb */ color: rgb(33, 188, 90);
/* oklch */ color: oklch(69.8% 0.185 149.7);
Tailwind
colors: {
  custom: {
    50: '#79d18b',
    500: '#21bc5a',
    950: '#000000',
  },
}
SCSS
$custom: #21bc5a;
$custom-light: #79d18b;
$custom-dark: #000000;
JSON
{
  "hex": "#21bc5a",
  "rgb": {
    "r": 33,
    "g": 188,
    "b": 90
  },
  "hsl": {
    "h": 142.065,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.69821,
    "c": 0.18469,
    "h": 149.7
  },
  "luminance": 0.37028
}

Semantic roles & 50–950 ramp

primary
#21BC5A
secondary
#CD6CA9
accent
#3BABED
background
#F8FDF8
surface
#EFFAF0
border
#CAD3CB
text
#0B140C
muted
#7C837D

Preview Lab

Preview with #21BC5A

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

Preview Lab → · Contrast checker → · Palette generator →

#21BC5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva