#21B28C#21B28C

#21B28C is a light, vivid teal. Relative luminance 0.341; OKLCH L 68.2% C 0.129 H 169.6°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX#21B28C
RGBrgb(33, 178, 140)
HSLhsl(164, 69%, 41%)
HSVhsv(164, 81%, 70%)
CMYKcmyk(81.5%, 0%, 21.3%, 30.2%)
CIE-LABlab(65.01, -45.56, 9.15)
CIE-LCHlch(65.01, 46.47, 168.64°)
OKLaboklab(68.22% -0.1267 0.0234)
OKLCHoklch(68.22% 0.129 169.6)
XYZxyz(21.2786, 34.0549, 30.2576)
Luminance0.3406 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B28C #B22147
analogous
#21B244 #21B28C #2190B2
triadic
#21B28C #8C21B2 #B28C21
tetradic
#21B28C #4421B2 #B22147 #90B221
square
#21B28C #4421B2 #B22147 #90B221
split-complementary
#21B28C #B22190 #B24421
monochromatic
#0E4B3B #177E63 #21B28C #36DAAF #6AE3C4

Accessibility & contrast

On white

2.69
#21B28C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.81
#21B28C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B28C
7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B28C#FFFFFF#000000##000000
##21B28C1.002.697.817.81
#FFFFFF2.691.0021.0021.00
#0000007.8121.001.001.00
##0000007.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#ADA58A
Deuteranopia (green-blind)
#9B988F
Tritanopia (blue-blind)
#00B3A7
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #21b28c;
/* rgb */ color: rgb(33, 178, 140);
/* oklch */ color: oklch(68.2% 0.129 169.6);
Tailwind
colors: {
  custom: {
    50: '#77caad',
    500: '#21b28c',
    950: '#000000',
  },
}
SCSS
$custom: #21b28c;
$custom-light: #77caad;
$custom-dark: #000000;
JSON
{
  "hex": "#21b28c",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 140
  },
  "hsl": {
    "h": 164.276,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.68224,
    "c": 0.12886,
    "h": 169.6
  },
  "luminance": 0.34058
}

Semantic roles & 50–950 ramp

primary
#21B28C
secondary
#C96680
accent
#3C6AEC
background
#F7FCFA
surface
#EEF8F4
border
#C9D1CE
text
#0A1310
muted
#7C827F

Preview Lab

Preview with #21B28C

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

Preview Lab → · Contrast checker → · Palette generator →

#21B28C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva