#21B387#21B387

#21B387 is a light, vivid teal. Relative luminance 0.343; OKLCH L 68.4% C 0.134 H 166.6°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#21B387
RGB	rgb(33, 179, 135)
HSL	hsl(162, 69%, 42%)
HSV	hsv(162, 82%, 70%)
CMYK	cmyk(81.6%, 0%, 24.6%, 29.8%)
CIE-LAB	lab(65.21, -47.20, 12.19)
CIE-LCH	lch(65.21, 48.75, 165.52°)
OKLab	oklab(68.35% -0.1301 0.0311)
OKLCH	oklch(68.35% 0.134 166.6)
XYZ	xyz(21.1180, 34.3102, 28.4265)
Luminance	0.3431 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B387 #B3214D

analogous

#21B33E #21B387 #2196B3

triadic

#21B387 #8721B3 #B38721

tetradic

#21B387 #3E21B3 #B3214D #96B321

square

#21B387 #3E21B3 #B3214D #96B321

split-complementary

#21B387 #B32196 #B33E21

monochromatic

#0E4C39 #177F60 #21B387 #37DAA9 #6BE4BF

Accessibility & contrast

On white

2.67

#21B387 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#21B387 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B387

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B387	#FFFFFF	#000000	##000000
##21B387	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFA685

Deuteranopia (green-blind)

#9D998A

Tritanopia (blue-blind)

#00B4A7

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #21b387;
/* rgb */ color: rgb(33, 179, 135);
/* oklch */ color: oklch(68.4% 0.134 166.6);

Tailwind

colors: {
  custom: {
    50: '#77cbaa',
    500: '#21b387',
    950: '#000000',
  },
}

SCSS

$custom: #21b387;
$custom-light: #77cbaa;
$custom-dark: #000000;

JSON

{
  "hex": "#21b387",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 135
  },
  "hsl": {
    "h": 161.918,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.68352,
    "c": 0.1338,
    "h": 166.6
  },
  "luminance": 0.34313
}

Semantic roles & 50–950 ramp

primary

#21B387

secondary

#CA6684

accent

#3C71EC

background

#F7FCFA

surface

#EEF9F4

border

#C9D2CE

text

#0A1310

muted

#7C827F

Preview Lab

Preview with #21B387

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

Preview Lab → · Contrast checker → · Palette generator →