#21C399#21C399

#21C399 is a light, vivid teal. Relative luminance 0.417; OKLCH L 72.9% C 0.139 H 169.4°. Best body text is #000000 at 9.33:1 contrast (WCAG AA passes).

Color values

HEX#21C399
RGBrgb(33, 195, 153)
HSLhsl(164, 71%, 45%)
HSVhsv(164, 83%, 76%)
CMYKcmyk(83.1%, 0%, 21.5%, 23.5%)
CIE-LABlab(70.63, -49.29, 10.04)
CIE-LCHlch(70.63, 50.30, 168.49°)
OKLaboklab(72.94% -0.137 0.0256)
OKLCHoklch(72.94% 0.139 169.4)
XYZxyz(25.8889, 41.6502, 36.8056)
Luminance0.4165 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21C399 #C3214B
analogous
#21C348 #21C399 #219CC3
triadic
#21C399 #9921C3 #C39921
tetradic
#21C399 #4821C3 #C3214B #9CC321
square
#21C399 #4821C3 #C3214B #9CC321
split-complementary
#21C399 #C3219C #C34821
monochromatic
#0F5A47 #188F70 #21C399 #42DFB6 #77E8CA

Accessibility & contrast

On white

2.25
#21C399 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.33
#21C399 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21C399
9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21C399#FFFFFF#000000##000000
##21C3991.002.259.339.33
#FFFFFF2.251.0021.0021.00
#0000009.3321.001.001.00
##0000009.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#BDB597
Deuteranopia (green-blind)
#AAA79C
Tritanopia (blue-blind)
#00C4B7
Achromatopsia (no color)
#ADADAD

Design tokens & code

CSS
--color: #21c399;
/* rgb */ color: rgb(33, 195, 153);
/* oklch */ color: oklch(72.9% 0.139 169.4);
Tailwind
colors: {
  custom: {
    50: '#7bd6b7',
    500: '#21c399',
    950: '#000000',
  },
}
SCSS
$custom: #21c399;
$custom-light: #7bd6b7;
$custom-dark: #000000;
JSON
{
  "hex": "#21c399",
  "rgb": {
    "r": 33,
    "g": 195,
    "b": 153
  },
  "hsl": {
    "h": 164.444,
    "s": 71.053,
    "l": 44.706
  },
  "oklch": {
    "l": 0.72941,
    "c": 0.13935,
    "h": 169.4
  },
  "luminance": 0.41653
}

Semantic roles & 50–950 ramp

primary
#21C399
secondary
#CF7189
accent
#3A69EE
background
#F8FDFB
surface
#EFFAF6
border
#CAD3D0
text
#0B1411
muted
#7C8380

Preview Lab

Preview with #21C399

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

Preview Lab → · Contrast checker → · Palette generator →

#21C399 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva