#21A178#21A178

#21A178 is a light, vivid teal. Relative luminance 0.272; OKLCH L 63.2% C 0.123 H 165.7°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX#21A178
RGBrgb(33, 161, 120)
HSLhsl(161, 66%, 38%)
HSVhsv(161, 80%, 63%)
CMYKcmyk(79.5%, 0%, 25.5%, 36.9%)
CIE-LABlab(59.13, -43.45, 11.95)
CIE-LCHlch(59.13, 45.06, 164.62°)
OKLaboklab(63.24% -0.1196 0.0305)
OKLCHoklch(63.24% 0.123 165.7)
XYZxyz(16.7603, 27.1671, 22.1261)
Luminance0.2717 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21A178 #A1214A
analogous
#21A138 #21A178 #218AA1
triadic
#21A178 #7821A1 #A17821
tetradic
#21A178 #3821A1 #A1214A #8AA121
square
#21A178 #3821A1 #A1214A #8AA121
split-complementary
#21A178 #A1218A #A13821
monochromatic
#0C3B2C #176E52 #21A178 #2CD49E #5EDEB5

Accessibility & contrast

On white

3.26
#21A178 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.43
#21A178 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A178
6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21A178#FFFFFF#000000##000000
##21A1781.003.266.436.43
#FFFFFF3.261.0021.0021.00
#0000006.4321.001.001.00
##0000006.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#9D9576
Deuteranopia (green-blind)
#8E8A7B
Tritanopia (blue-blind)
#00A196
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #21a178;
/* rgb */ color: rgb(33, 161, 120);
/* oklch */ color: oklch(63.2% 0.123 165.7);
Tailwind
colors: {
  custom: {
    50: '#73be9f',
    500: '#21a178',
    950: '#000000',
  },
}
SCSS
$custom: #21a178;
$custom-light: #73be9f;
$custom-dark: #000000;
JSON
{
  "hex": "#21a178",
  "rgb": {
    "r": 33,
    "g": 161,
    "b": 120
  },
  "hsl": {
    "h": 160.781,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.63244,
    "c": 0.12343,
    "h": 165.7
  },
  "luminance": 0.27169
}

Semantic roles & 50–950 ramp

primary
#21A178
secondary
#C35B7C
accent
#3F75E9
background
#F7FBF9
surface
#EEF7F2
border
#C9D0CC
text
#09120E
muted
#7B817E

Preview Lab

Preview with #21A178

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

Preview Lab → · Contrast checker → · Palette generator →

#21A178 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva