#21BB81#21BB81

#21BB81 is a light, vivid teal. Relative luminance 0.374; OKLCH L 70.3% C 0.149 H 161.3°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX#21BB81
RGBrgb(33, 187, 129)
HSLhsl(157, 70%, 43%)
HSVhsv(157, 82%, 73%)
CMYKcmyk(82.4%, 0%, 31%, 26.7%)
CIE-LABlab(67.61, -51.74, 18.79)
CIE-LCHlch(67.61, 55.05, 160.04°)
OKLaboklab(70.29% -0.1408 0.0477)
OKLCHoklch(70.29% 0.149 161.3)
XYZxyz(22.3575, 37.4461, 26.8141)
Luminance0.3745 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21BB81 #BB215B
analogous
#21BB34 #21BB81 #21A8BB
triadic
#21BB81 #8121BB #BB8121
tetradic
#21BB81 #3421BB #BB215B #A8BB21
square
#21BB81 #3421BB #BB215B #A8BB21
split-complementary
#21BB81 #BB21A8 #BB3421
monochromatic
#0F5339 #18875D #21BB81 #3DDDA0 #71E6BA

Accessibility & contrast

On white

2.47
#21BB81 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.49
#21BB81 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BB81
8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21BB81#FFFFFF#000000##000000
##21BB811.002.478.498.49
#FFFFFF2.471.0021.0021.00
#0000008.4921.001.001.00
##0000008.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#B8AC7E
Deuteranopia (green-blind)
#A69F85
Tritanopia (blue-blind)
#00BAAC
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #21bb81;
/* rgb */ color: rgb(33, 187, 129);
/* oklch */ color: oklch(70.3% 0.149 161.3);
Tailwind
colors: {
  custom: {
    50: '#78d0a5',
    500: '#21bb81',
    950: '#000000',
  },
}
SCSS
$custom: #21bb81;
$custom-light: #78d0a5;
$custom-dark: #000000;
JSON
{
  "hex": "#21bb81",
  "rgb": {
    "r": 33,
    "g": 187,
    "b": 129
  },
  "hsl": {
    "h": 157.403,
    "s": 70,
    "l": 43.137
  },
  "oklch": {
    "l": 0.70288,
    "c": 0.14861,
    "h": 161.3
  },
  "luminance": 0.37449
}

Semantic roles & 50–950 ramp

primary
#21BB81
secondary
#CC6B90
accent
#3B7EED
background
#F8FCFA
surface
#EFF9F4
border
#CAD2CE
text
#0B140F
muted
#7C827F

Preview Lab

Preview with #21BB81

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

Preview Lab → · Contrast checker → · Palette generator →

#21BB81 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva