#21B379#21B379

#21B379 is a light, vivid teal. Relative luminance 0.339; OKLCH L 68.0% C 0.145 H 160.3°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX#21B379
RGBrgb(33, 179, 121)
HSLhsl(156, 69%, 42%)
HSVhsv(156, 82%, 70%)
CMYKcmyk(81.6%, 0%, 32.4%, 29.8%)
CIE-LABlab(64.92, -50.41, 19.42)
CIE-LCHlch(64.92, 54.02, 158.93°)
OKLaboklab(68.02% -0.1369 0.0491)
OKLCHoklch(68.02% 0.145 160.3)
XYZxyz(20.1963, 33.9415, 23.5724)
Luminance0.3394 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B379 #B3215B
analogous
#21B330 #21B379 #21A4B3
triadic
#21B379 #7921B3 #B37921
tetradic
#21B379 #3021B3 #B3215B #A4B321
square
#21B379 #3021B3 #B3215B #A4B321
split-complementary
#21B379 #B321A4 #B33021
monochromatic
#0E4C33 #177F56 #21B379 #37DA99 #6BE4B4

Accessibility & contrast

On white

2.70
#21B379 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.79
#21B379 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B379
7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B379#FFFFFF#000000##000000
##21B3791.002.707.797.79
#FFFFFF2.701.0021.0021.00
#0000007.7921.001.001.00
##0000007.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#B1A575
Deuteranopia (green-blind)
#A0997D
Tritanopia (blue-blind)
#00B2A4
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #21b379;
/* rgb */ color: rgb(33, 179, 121);
/* oklch */ color: oklch(68.0% 0.145 160.3);
Tailwind
colors: {
  custom: {
    50: '#77cba0',
    500: '#21b379',
    950: '#000000',
  },
}
SCSS
$custom: #21b379;
$custom-light: #77cba0;
$custom-dark: #000000;
JSON
{
  "hex": "#21b379",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 121
  },
  "hsl": {
    "h": 156.164,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.68015,
    "c": 0.14543,
    "h": 160.3
  },
  "luminance": 0.33944
}

Semantic roles & 50–950 ramp

primary
#21B379
secondary
#CA668E
accent
#3C82EC
background
#F7FCF9
surface
#EEF9F2
border
#C9D2CC
text
#0A130E
muted
#7C827E

Preview Lab

Preview with #21B379

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

Preview Lab → · Contrast checker → · Palette generator →

#21B379 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva