#21B189#21B189

#21B189 is a light, vivid teal. Relative luminance 0.336; OKLCH L 67.9% C 0.130 H 168.4°. Best body text is #000000 at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#21B189
RGB	rgb(33, 177, 137)
HSL	hsl(163, 69%, 41%)
HSV	hsv(163, 81%, 69%)
CMYK	cmyk(81.4%, 0%, 22.6%, 30.6%)
CIE-LAB	lab(64.62, -45.89, 10.26)
CIE-LCH	lch(64.62, 47.03, 167.40°)
OKLab	oklab(67.88% -0.1272 0.0262)
OKLCH	oklch(67.88% 0.13 168.4)
XYZ	xyz(20.8622, 33.5711, 29.0424)
Luminance	0.3357 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B189 #B12149

analogous

#21B141 #21B189 #2191B1

triadic

#21B189 #8921B1 #B18921

tetradic

#21B189 #4121B1 #B12149 #91B121

square

#21B189 #4121B1 #B12149 #91B121

split-complementary

#21B189 #B12191 #B14121

monochromatic

#0E4A39 #177D61 #21B189 #36D9AC #69E3C1

Accessibility & contrast

On white

2.72

#21B189 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.71

#21B189 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B189

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B189	#FFFFFF	#000000	##000000
##21B189	1.00	2.72	7.71	7.71
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.71	21.00	1.00	1.00
##000000	7.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACA487

Deuteranopia (green-blind)

#9B988C

Tritanopia (blue-blind)

#00B2A6

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #21b189;
/* rgb */ color: rgb(33, 177, 137);
/* oklch */ color: oklch(67.9% 0.130 168.4);

Tailwind

colors: {
  custom: {
    50: '#77c9ab',
    500: '#21b189',
    950: '#000000',
  },
}

SCSS

$custom: #21b189;
$custom-light: #77c9ab;
$custom-dark: #000000;

JSON

{
  "hex": "#21b189",
  "rgb": {
    "r": 33,
    "g": 177,
    "b": 137
  },
  "hsl": {
    "h": 163.333,
    "s": 68.571,
    "l": 41.176
  },
  "oklch": {
    "l": 0.67884,
    "c": 0.12987,
    "h": 168.4
  },
  "luminance": 0.33574
}

Semantic roles & 50–950 ramp

primary

#21B189

secondary

#C96581

accent

#3C6DEB

background

#F7FCFA

surface

#EEF8F4

border

#C9D1CE

text

#0A1310

muted

#7C827F

Preview Lab

Preview with #21B189

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

Preview Lab → · Contrast checker → · Palette generator →