#21B28F#21B28F

#21B28F is a light, vivid teal. Relative luminance 0.341; OKLCH L 68.3% C 0.127 H 171.2°. Best body text is #000000 at 7.83:1 contrast (WCAG AA passes).

Color values

HEX#21B28F
RGBrgb(33, 178, 143)
HSLhsl(166, 69%, 41%)
HSVhsv(166, 81%, 70%)
CMYKcmyk(81.5%, 0%, 19.7%, 30.2%)
CIE-LABlab(65.08, -44.81, 7.60)
CIE-LCHlch(65.08, 45.45, 170.37°)
OKLaboklab(68.31% -0.1253 0.0193)
OKLCHoklch(68.31% 0.127 171.2)
XYZxyz(21.5028, 34.1446, 31.4385)
Luminance0.3415 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B28F #B22144
analogous
#21B247 #21B28F #218DB2
triadic
#21B28F #8F21B2 #B28F21
tetradic
#21B28F #4721B2 #B22144 #8DB221
square
#21B28F #4721B2 #B22144 #8DB221
split-complementary
#21B28F #B2218D #B24721
monochromatic
#0E4B3C #177E66 #21B28F #36DAB2 #6AE3C6

Accessibility & contrast

On white

2.68
#21B28F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.83
#21B28F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B28F
7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B28F#FFFFFF#000000##000000
##21B28F1.002.687.837.83
#FFFFFF2.681.0021.0021.00
#0000007.8321.001.001.00
##0000007.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#ACA68D
Deuteranopia (green-blind)
#9B9991
Tritanopia (blue-blind)
#00B4A8
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #21b28f;
/* rgb */ color: rgb(33, 178, 143);
/* oklch */ color: oklch(68.3% 0.127 171.2);
Tailwind
colors: {
  custom: {
    50: '#77caaf',
    500: '#21b28f',
    950: '#000000',
  },
}
SCSS
$custom: #21b28f;
$custom-light: #77caaf;
$custom-dark: #000000;
JSON
{
  "hex": "#21b28f",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 143
  },
  "hsl": {
    "h": 165.517,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.68306,
    "c": 0.12677,
    "h": 171.2
  },
  "luminance": 0.34147
}

Semantic roles & 50–950 ramp

primary
#21B28F
secondary
#C9667E
accent
#3C67EC
background
#F8FCFA
surface
#EFF8F4
border
#CAD1CE
text
#0A1310
muted
#7C827F

Preview Lab

Preview with #21B28F

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

Preview Lab → · Contrast checker → · Palette generator →

#21B28F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva