#21B377#21B377

#21B377 is a light, vivid teal. Relative luminance 0.339; OKLCH L 68.0% C 0.147 H 159.5°. Best body text is #000000 at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#21B377
RGB	rgb(33, 179, 119)
HSL	hsl(155, 69%, 42%)
HSV	hsv(155, 82%, 70%)
CMYK	cmyk(81.6%, 0%, 33.5%, 29.8%)
CIE-LAB	lab(64.88, -50.84, 20.45)
CIE-LCH	lch(64.88, 54.80, 158.09°)
OKLab	oklab(67.97% -0.1378 0.0516)
OKLCH	oklch(67.97% 0.147 159.5)
XYZ	xyz(20.0749, 33.8929, 22.9331)
Luminance	0.3389 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B377 #B3215D

analogous

#21B32E #21B377 #21A6B3

triadic

#21B377 #7721B3 #B37721

tetradic

#21B377 #2E21B3 #B3215D #A6B321

square

#21B377 #2E21B3 #B3215D #A6B321

split-complementary

#21B377 #B321A6 #B32E21

monochromatic

#0E4C32 #177F55 #21B377 #37DA97 #6BE4B2

Accessibility & contrast

On white

2.70

#21B377 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.78

#21B377 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B377

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B377	#FFFFFF	#000000	##000000
##21B377	1.00	2.70	7.78	7.78
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.78	21.00	1.00	1.00
##000000	7.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A573

Deuteranopia (green-blind)

#A0987B

Tritanopia (blue-blind)

#00B2A3

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #21b377;
/* rgb */ color: rgb(33, 179, 119);
/* oklch */ color: oklch(68.0% 0.147 159.5);

Tailwind

colors: {
  custom: {
    50: '#76cb9e',
    500: '#21b377',
    950: '#000000',
  },
}

SCSS

$custom: #21b377;
$custom-light: #76cb9e;
$custom-dark: #000000;

JSON

{
  "hex": "#21b377",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 119
  },
  "hsl": {
    "h": 155.342,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.67971,
    "c": 0.1472,
    "h": 159.5
  },
  "luminance": 0.33895
}

Semantic roles & 50–950 ramp

primary

#21B377

secondary

#CA668F

accent

#3C84EC

background

#F7FCF9

surface

#EEF9F2

border

#C9D2CC

text

#0A130E

muted

#7C827E

Preview Lab

Preview with #21B377

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

Preview Lab → · Contrast checker → · Palette generator →