#21AD88#21AD88

#21AD88 is a light, vivid teal. Relative luminance 0.320; OKLCH L 66.8% C 0.126 H 169.5°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).

Color values

HEX#21AD88
RGBrgb(33, 173, 136)
HSLhsl(164, 68%, 40%)
HSVhsv(164, 81%, 68%)
CMYKcmyk(80.9%, 0%, 21.4%, 32.2%)
CIE-LABlab(63.33, -44.49, 8.98)
CIE-LCHlch(63.33, 45.38, 168.59°)
OKLaboklab(66.82% -0.1237 0.0229)
OKLCHoklch(66.82% 0.126 169.5)
XYZxyz(20.0123, 31.9855, 28.4069)
Luminance0.3199 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21AD88 #AD2146
analogous
#21AD42 #21AD88 #218CAD
triadic
#21AD88 #8821AD #AD8821
tetradic
#21AD88 #4221AD #AD2146 #8CAD21
square
#21AD88 #4221AD #AD2146 #8CAD21
split-complementary
#21AD88 #AD218C #AD4221
monochromatic
#0D4637 #177A60 #21AD88 #33D8AC #66E2C1

Accessibility & contrast

On white

2.84
#21AD88 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.40
#21AD88 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AD88
7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21AD88#FFFFFF#000000##000000
##21AD881.002.847.407.40
#FFFFFF2.841.0021.0021.00
#0000007.4021.001.001.00
##0000007.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#A8A186
Deuteranopia (green-blind)
#97948B
Tritanopia (blue-blind)
#00AEA3
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #21ad88;
/* rgb */ color: rgb(33, 173, 136);
/* oklch */ color: oklch(66.8% 0.126 169.5);
Tailwind
colors: {
  custom: {
    50: '#76c6aa',
    500: '#21ad88',
    950: '#000000',
  },
}
SCSS
$custom: #21ad88;
$custom-light: #76c6aa;
$custom-dark: #000000;
JSON
{
  "hex": "#21ad88",
  "rgb": {
    "r": 33,
    "g": 173,
    "b": 136
  },
  "hsl": {
    "h": 164.143,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.66817,
    "c": 0.12585,
    "h": 169.5
  },
  "luminance": 0.31988
}

Semantic roles & 50–950 ramp

primary
#21AD88
secondary
#C7627D
accent
#3D6BEB
background
#F7FCFA
surface
#EEF8F4
border
#C9D1CE
text
#0A1310
muted
#7C827F

Preview Lab

Preview with #21AD88

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

Preview Lab → · Contrast checker → · Palette generator →

#21AD88 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva