#21B390#21B390

#21B390 is a light, vivid teal. Relative luminance 0.346; OKLCH L 68.6% C 0.127 H 171.3°. Best body text is #000000 at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#21B390
RGB	rgb(33, 179, 144)
HSL	hsl(166, 69%, 42%)
HSV	hsv(166, 82%, 70%)
CMYK	cmyk(81.6%, 0%, 19.6%, 29.8%)
CIE-LAB	lab(65.42, -44.97, 7.53)
CIE-LCH	lch(65.42, 45.60, 170.49°)
OKLab	oklab(68.59% -0.1258 0.0192)
OKLCH	oklch(68.59% 0.127 171.3)
XYZ	xyz(21.7786, 34.5744, 31.9058)
Luminance	0.3458 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B390 #B32144

analogous

#21B347 #21B390 #218DB3

triadic

#21B390 #9021B3 #B39021

tetradic

#21B390 #4721B3 #B32144 #8DB321

square

#21B390 #4721B3 #B32144 #8DB321

split-complementary

#21B390 #B3218D #B34721

monochromatic

#0E4C3D #177F66 #21B390 #37DAB3 #6BE4C7

Accessibility & contrast

On white

2.65

#21B390 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.92

#21B390 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B390

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B390	#FFFFFF	#000000	##000000
##21B390	1.00	2.65	7.92	7.92
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.92	21.00	1.00	1.00
##000000	7.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADA68E

Deuteranopia (green-blind)

#9B9992

Tritanopia (blue-blind)

#00B5A9

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #21b390;
/* rgb */ color: rgb(33, 179, 144);
/* oklch */ color: oklch(68.6% 0.127 171.3);

Tailwind

colors: {
  custom: {
    50: '#77cab0',
    500: '#21b390',
    950: '#000000',
  },
}

SCSS

$custom: #21b390;
$custom-light: #77cab0;
$custom-dark: #000000;

JSON

{
  "hex": "#21b390",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 144
  },
  "hsl": {
    "h": 165.616,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.68592,
    "c": 0.12723,
    "h": 171.3
  },
  "luminance": 0.34577
}

Semantic roles & 50–950 ramp

primary

#21B390

secondary

#CA667E

accent

#3C66EC

background

#F8FCFA

surface

#EFF8F4

border

#CAD1CE

text

#0A1310

muted

#7C827F

Preview Lab

Preview with #21B390

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

Preview Lab → · Contrast checker → · Palette generator →