#21B490#21B490

#21B490 is a light, vivid teal. Relative luminance 0.350; OKLCH L 68.8% C 0.128 H 170.9°. Best body text is #000000 at 8.00:1 contrast (WCAG AA passes).

Color values

HEX#21B490
RGBrgb(33, 180, 144)
HSLhsl(165, 69%, 42%)
HSVhsv(165, 82%, 71%)
CMYKcmyk(81.7%, 0%, 20%, 29.4%)
CIE-LABlab(65.73, -45.39, 7.98)
CIE-LCHlch(65.73, 46.08, 170.03°)
OKLaboklab(68.85% -0.1268 0.0203)
OKLCHoklch(68.85% 0.128 170.9)
XYZxyz(21.9798, 34.9767, 31.9729)
Luminance0.3498 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B490 #B42145
analogous
#21B447 #21B490 #218FB4
triadic
#21B490 #9021B4 #B49021
tetradic
#21B490 #4721B4 #B42145 #8FB421
square
#21B490 #4721B4 #B42145 #8FB421
split-complementary
#21B490 #B4218F #B44721
monochromatic
#0E4D3D #188067 #21B490 #38DAB3 #6BE4C6

Accessibility & contrast

On white

2.63
#21B490 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.00
#21B490 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B490
8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B490#FFFFFF#000000##000000
##21B4901.002.638.008.00
#FFFFFF2.631.0021.0021.00
#0000008.0021.001.001.00
##0000008.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#AEA78E
Deuteranopia (green-blind)
#9D9A93
Tritanopia (blue-blind)
#00B5AA
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #21b490;
/* rgb */ color: rgb(33, 180, 144);
/* oklch */ color: oklch(68.8% 0.128 170.9);
Tailwind
colors: {
  custom: {
    50: '#77cbb0',
    500: '#21b490',
    950: '#000000',
  },
}
SCSS
$custom: #21b490;
$custom-light: #77cbb0;
$custom-dark: #000000;
JSON
{
  "hex": "#21b490",
  "rgb": {
    "r": 33,
    "g": 180,
    "b": 144
  },
  "hsl": {
    "h": 165.306,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.6885,
    "c": 0.12838,
    "h": 170.9
  },
  "luminance": 0.34979
}

Semantic roles & 50–950 ramp

primary
#21B490
secondary
#CA677F
accent
#3C67EC
background
#F8FCFA
surface
#EFF9F4
border
#CAD2CE
text
#0A1310
muted
#7C827F

Preview Lab

Preview with #21B490

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

Preview Lab → · Contrast checker → · Palette generator →

#21B490 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva