#21B373#21B373

#21B373 is a light, vivid teal. Relative luminance 0.338; OKLCH L 67.9% C 0.151 H 158.0°. Best body text is #000000 at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#21B373
RGB	rgb(33, 179, 115)
HSL	hsl(154, 69%, 42%)
HSV	hsv(154, 82%, 70%)
CMYK	cmyk(81.6%, 0%, 35.8%, 29.8%)
CIE-LAB	lab(64.80, -51.69, 22.50)
CIE-LCH	lch(64.80, 56.37, 156.48°)
OKLab	oklab(67.88% -0.1397 0.0566)
OKLCH	oklch(67.88% 0.151 158)
XYZ	xyz(19.8397, 33.7989, 21.6945)
Luminance	0.3380 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B373 #B32161

analogous

#21B32A #21B373 #21AAB3

triadic

#21B373 #7321B3 #B37321

tetradic

#21B373 #2A21B3 #B32161 #AAB321

square

#21B373 #2A21B3 #B32161 #AAB321

split-complementary

#21B373 #B321AA #B32A21

monochromatic

#0E4C31 #177F52 #21B373 #37DA93 #6BE4AF

Accessibility & contrast

On white

2.71

#21B373 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.76

#21B373 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B373

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B373	#FFFFFF	#000000	##000000
##21B373	1.00	2.71	7.76	7.76
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.76	21.00	1.00	1.00
##000000	7.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A46F

Deuteranopia (green-blind)

#A19877

Tritanopia (blue-blind)

#00B2A3

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #21b373;
/* rgb */ color: rgb(33, 179, 115);
/* oklch */ color: oklch(67.9% 0.151 158.0);

Tailwind

colors: {
  custom: {
    50: '#76cb9b',
    500: '#21b373',
    950: '#000000',
  },
}

SCSS

$custom: #21b373;
$custom-light: #76cb9b;
$custom-dark: #000000;

JSON

{
  "hex": "#21b373",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 115
  },
  "hsl": {
    "h": 153.699,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.67884,
    "c": 0.15076,
    "h": 158
  },
  "luminance": 0.33801
}

Semantic roles & 50–950 ramp

primary

#21B373

secondary

#CA6692

accent

#3C89EC

background

#F7FCF9

surface

#EEF9F2

border

#C9D2CC

text

#0A130E

muted

#7C827E

Preview Lab

Preview with #21B373

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

Preview Lab → · Contrast checker → · Palette generator →