#21B18D#21B18D

#21B18D is a light, vivid teal. Relative luminance 0.337; OKLCH L 68.0% C 0.127 H 170.5°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX#21B18D
RGBrgb(33, 177, 141)
HSLhsl(165, 69%, 41%)
HSVhsv(165, 81%, 69%)
CMYKcmyk(81.4%, 0%, 20.3%, 30.6%)
CIE-LABlab(64.71, -44.90, 8.18)
CIE-LCHlch(64.71, 45.64, 169.67°)
OKLaboklab(67.99% -0.1253 0.0209)
OKLCHoklch(67.99% 0.127 170.5)
XYZxyz(21.1544, 33.6880, 30.5816)
Luminance0.3369 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B18D #B12145
analogous
#21B145 #21B18D #218DB1
triadic
#21B18D #8D21B1 #B18D21
tetradic
#21B18D #4521B1 #B12145 #8DB121
square
#21B18D #4521B1 #B12145 #8DB121
split-complementary
#21B18D #B1218D #B14521
monochromatic
#0E4A3B #177D64 #21B18D #36D9B1 #69E3C5

Accessibility & contrast

On white

2.71
#21B18D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.74
#21B18D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B18D
7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B18D#FFFFFF#000000##000000
##21B18D1.002.717.747.74
#FFFFFF2.711.0021.0021.00
#0000007.7421.001.001.00
##0000007.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#ACA58B
Deuteranopia (green-blind)
#9A988F
Tritanopia (blue-blind)
#00B2A7
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #21b18d;
/* rgb */ color: rgb(33, 177, 141);
/* oklch */ color: oklch(68.0% 0.127 170.5);
Tailwind
colors: {
  custom: {
    50: '#77c9ae',
    500: '#21b18d',
    950: '#000000',
  },
}
SCSS
$custom: #21b18d;
$custom-light: #77c9ae;
$custom-dark: #000000;
JSON
{
  "hex": "#21b18d",
  "rgb": {
    "r": 33,
    "g": 177,
    "b": 141
  },
  "hsl": {
    "h": 165,
    "s": 68.571,
    "l": 41.176
  },
  "oklch": {
    "l": 0.67992,
    "c": 0.12699,
    "h": 170.5
  },
  "luminance": 0.33691
}

Semantic roles & 50–950 ramp

primary
#21B18D
secondary
#C9657E
accent
#3C68EB
background
#F7FCFA
surface
#EEF8F4
border
#C9D1CE
text
#0A1310
muted
#7C827F

Preview Lab

Preview with #21B18D

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

Preview Lab → · Contrast checker → · Palette generator →

#21B18D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva