#21B37B#21B37B

#21B37B is a light, vivid teal. Relative luminance 0.340; OKLCH L 68.1% C 0.144 H 161.1°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX#21B37B
RGBrgb(33, 179, 123)
HSLhsl(157, 69%, 42%)
HSVhsv(157, 82%, 70%)
CMYKcmyk(81.6%, 0%, 31.3%, 29.8%)
CIE-LABlab(64.96, -49.97, 18.39)
CIE-LCHlch(64.96, 53.25, 159.80°)
OKLaboklab(68.06% -0.1359 0.0466)
OKLCHoklch(68.06% 0.144 161.1)
XYZxyz(20.3202, 33.9911, 24.2250)
Luminance0.3399 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21B37B #B32159
analogous
#21B332 #21B37B #21A2B3
triadic
#21B37B #7B21B3 #B37B21
tetradic
#21B37B #3221B3 #B32159 #A2B321
square
#21B37B #3221B3 #B32159 #A2B321
split-complementary
#21B37B #B321A2 #B33221
monochromatic
#0E4C34 #177F57 #21B37B #37DA9C #6BE4B5

Accessibility & contrast

On white

2.69
#21B37B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.80
#21B37B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B37B
7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21B37B#FFFFFF#000000##000000
##21B37B1.002.697.807.80
#FFFFFF2.691.0021.0021.00
#0000007.8021.001.001.00
##0000007.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#B0A578
Deuteranopia (green-blind)
#9F997F
Tritanopia (blue-blind)
#00B2A4
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #21b37b;
/* rgb */ color: rgb(33, 179, 123);
/* oklch */ color: oklch(68.1% 0.144 161.1);
Tailwind
colors: {
  custom: {
    50: '#77cba1',
    500: '#21b37b',
    950: '#000000',
  },
}
SCSS
$custom: #21b37b;
$custom-light: #77cba1;
$custom-dark: #000000;
JSON
{
  "hex": "#21b37b",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 123
  },
  "hsl": {
    "h": 156.986,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.68061,
    "c": 0.14369,
    "h": 161.1
  },
  "luminance": 0.33994
}

Semantic roles & 50–950 ramp

primary
#21B37B
secondary
#CA668C
accent
#3C7FEC
background
#F7FCF9
surface
#EEF9F2
border
#C9D2CC
text
#0A130F
muted
#7C827E

Preview Lab

Preview with #21B37B

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

Preview Lab → · Contrast checker → · Palette generator →

#21B37B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva