#21BC59#21BC59

#21BC59 is a light, vivid green. Relative luminance 0.370; OKLCH L 69.8% C 0.186 H 149.4°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX#21BC59
RGBrgb(33, 188, 89)
HSLhsl(142, 70%, 43%)
HSVhsv(142, 82%, 74%)
CMYKcmyk(82.4%, 0%, 52.7%, 26.3%)
CIE-LABlab(67.28, -59.56, 39.13)
CIE-LCHlch(67.28, 71.26, 146.70°)
OKLaboklab(69.81% -0.1598 0.0943)
OKLCHoklch(69.81% 0.186 149.4)
XYZxyz(20.4119, 37.0085, 15.5168)
Luminance0.3701 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21BC59 #BC2184
analogous
#37BC21 #21BC59 #21BCA6
triadic
#21BC59 #5921BC #BC5921
tetradic
#21BC59 #2137BC #BC2184 #BCA621
square
#21BC59 #2137BC #BC2184 #BCA621
split-complementary
#21BC59 #A621BC #BC2137
monochromatic
#0F5428 #188840 #21BC59 #3DDD77 #71E69B

Accessibility & contrast

On white

2.50
#21BC59 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.40
#21BC59 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BC59
8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21BC59#FFFFFF#000000##000000
##21BC591.002.508.408.40
#FFFFFF2.501.0021.0021.00
#0000008.4021.001.001.00
##0000008.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#BDAB50
Deuteranopia (green-blind)
#AD9F60
Tritanopia (blue-blind)
#00B8A5
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #21bc59;
/* rgb */ color: rgb(33, 188, 89);
/* oklch */ color: oklch(69.8% 0.186 149.4);
Tailwind
colors: {
  custom: {
    50: '#79d18a',
    500: '#21bc59',
    950: '#000000',
  },
}
SCSS
$custom: #21bc59;
$custom-light: #79d18a;
$custom-dark: #000000;
JSON
{
  "hex": "#21bc59",
  "rgb": {
    "r": 33,
    "g": 188,
    "b": 89
  },
  "hsl": {
    "h": 141.677,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.69807,
    "c": 0.18556,
    "h": 149.4
  },
  "luminance": 0.37011
}

Semantic roles & 50–950 ramp

primary
#21BC59
secondary
#CD6CAA
accent
#3BADED
background
#F8FDF8
surface
#EFFAF0
border
#CAD3CB
text
#0B140C
muted
#7C837D

Preview Lab

Preview with #21BC59

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

Preview Lab → · Contrast checker → · Palette generator →

#21BC59 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva