#21B38C#21B38C

#21B38C is a light, vivid teal. Relative luminance 0.345; OKLCH L 68.5% C 0.130 H 169.1°. Best body text is #000000 at 7.89:1 contrast (WCAG AA passes).

Color values

HEX#21B38C
RGBrgb(33, 179, 140)
HSLhsl(164, 69%, 42%)
HSVhsv(164, 82%, 70%)
CMYKcmyk(81.6%, 0%, 21.8%, 29.8%)
CIE-LABlab(65.32, -45.98, 9.60)
CIE-LCHlch(65.32, 46.97, 168.20°)
OKLaboklab(68.48% -0.1277 0.0245)
OKLCHoklch(68.48% 0.13 169.1)
XYZxyz(21.4783, 34.4543, 30.3242)
Luminance0.3446 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B38C #B32148
analogous
#21B343 #21B38C #2191B3
triadic
#21B38C #8C21B3 #B38C21
tetradic
#21B38C #4321B3 #B32148 #91B321
square
#21B38C #4321B3 #B32148 #91B321
split-complementary
#21B38C #B32191 #B34321
monochromatic
#0E4C3B #177F64 #21B38C #37DAAF #6BE4C3

Accessibility & contrast

On white

2.66
#21B38C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.89
#21B38C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B38C
7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B38C#FFFFFF#000000##000000
##21B38C1.002.667.897.89
#FFFFFF2.661.0021.0021.00
#0000007.8921.001.001.00
##0000007.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#AEA68A
Deuteranopia (green-blind)
#9C998F
Tritanopia (blue-blind)
#00B4A8
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #21b38c;
/* rgb */ color: rgb(33, 179, 140);
/* oklch */ color: oklch(68.5% 0.130 169.1);
Tailwind
colors: {
  custom: {
    50: '#77cbad',
    500: '#21b38c',
    950: '#000000',
  },
}
SCSS
$custom: #21b38c;
$custom-light: #77cbad;
$custom-dark: #000000;
JSON
{
  "hex": "#21b38c",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 140
  },
  "hsl": {
    "h": 163.973,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.68483,
    "c": 0.13004,
    "h": 169.1
  },
  "luminance": 0.34457
}

Semantic roles & 50–950 ramp

primary
#21B38C
secondary
#CA6681
accent
#3C6BEC
background
#F8FCFA
surface
#EFF8F4
border
#CAD1CE
text
#0A1310
muted
#7C827F

Preview Lab

Preview with #21B38C

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

Preview Lab → · Contrast checker → · Palette generator →

#21B38C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva