#21B290#21B290

#21B290 is a light, vivid teal. Relative luminance 0.342; OKLCH L 68.3% C 0.126 H 171.8°. Best body text is #000000 at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#21B290
RGB	rgb(33, 178, 144)
HSL	hsl(166, 69%, 41%)
HSV	hsv(166, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 19.1%, 30.2%)
CIE-LAB	lab(65.10, -44.55, 7.08)
CIE-LCH	lch(65.10, 45.11, 170.97°)
OKLab	oklab(68.33% -0.1248 0.018)
OKLCH	oklch(68.33% 0.126 171.8)
XYZ	xyz(21.5789, 34.1750, 31.8393)
Luminance	0.3418 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B290 #B22143

analogous

#21B248 #21B290 #218CB2

triadic

#21B290 #9021B2 #B29021

tetradic

#21B290 #4821B2 #B22143 #8CB221

square

#21B290 #4821B2 #B22143 #8CB221

split-complementary

#21B290 #B2218C #B24821

monochromatic

#0E4B3C #177E66 #21B290 #36DAB3 #6AE3C7

Accessibility & contrast

On white

2.68

#21B290 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.84

#21B290 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B290

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B290	#FFFFFF	#000000	##000000
##21B290	1.00	2.68	7.84	7.84
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.84	21.00	1.00	1.00
##000000	7.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACA68E

Deuteranopia (green-blind)

#9A9992

Tritanopia (blue-blind)

#00B4A8

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #21b290;
/* rgb */ color: rgb(33, 178, 144);
/* oklch */ color: oklch(68.3% 0.126 171.8);

Tailwind

colors: {
  custom: {
    50: '#77cab0',
    500: '#21b290',
    950: '#000000',
  },
}

SCSS

$custom: #21b290;
$custom-light: #77cab0;
$custom-dark: #000000;

JSON

{
  "hex": "#21b290",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 144
  },
  "hsl": {
    "h": 165.931,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.68333,
    "c": 0.12609,
    "h": 171.8
  },
  "luminance": 0.34178
}

Semantic roles & 50–950 ramp

primary

#21B290

secondary

#C9667D

accent

#3C65EC

background

#F8FCFA

surface

#EFF8F4

border

#CAD1CE

text

#0A1310

muted

#7C827F

Preview Lab

Preview with #21B290

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

Preview Lab → · Contrast checker → · Palette generator →