#21978A#21978A

#21978A is a mid, moderate teal. Relative luminance 0.243; OKLCH L 61.1% C 0.101 H 183.7°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#21978A
RGB	rgb(33, 151, 138)
HSL	hsl(173, 64%, 36%)
HSV	hsv(173, 78%, 59%)
CMYK	cmyk(78.1%, 0%, 8.6%, 40.8%)
CIE-LAB	lab(56.38, -34.30, -2.20)
CIE-LCH	lch(56.38, 34.37, 183.67°)
OKLab	oklab(61.14% -0.1006 -0.0065)
OKLCH	oklch(61.14% 0.101 183.7)
XYZ	xyz(16.2790, 24.2895, 27.8702)
Luminance	0.2429 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21978A #97212E

analogous

#21974F #21978A #216997

triadic

#21978A #8A2197 #978A21

tetradic

#21978A #4F2197 #97212E #699721

square

#21978A #4F2197 #97212E #699721

split-complementary

#21978A #972169 #974F21

monochromatic

#0B332E #16655C #21978A #2CC9B8 #58DACC

Accessibility & contrast

On white

3.58

#21978A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#21978A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21978A

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21978A	#FFFFFF	#000000	##000000
##21978A	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8E8A

Deuteranopia (green-blind)

#7F828B

Tritanopia (blue-blind)

#009A93

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #21978a;
/* rgb */ color: rgb(33, 151, 138);
/* oklch */ color: oklch(61.1% 0.101 183.7);

Tailwind

colors: {
  custom: {
    50: '#72b6ac',
    500: '#21978a',
    950: '#000000',
  },
}

SCSS

$custom: #21978a;
$custom-light: #72b6ac;
$custom-dark: #000000;

JSON

{
  "hex": "#21978a",
  "rgb": {
    "r": 33,
    "g": 151,
    "b": 138
  },
  "hsl": {
    "h": 173.39,
    "s": 64.13,
    "l": 36.078
  },
  "oklch": {
    "l": 0.61142,
    "c": 0.10084,
    "h": 183.7
  },
  "luminance": 0.24292
}

Semantic roles & 50–950 ramp

primary

#21978A

secondary

#BE5561

accent

#4153E7

background

#F7FBFA

surface

#EDF6F4

border

#C8D0CE

text

#091110

muted

#7B807F

Preview Lab

Preview with #21978A

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

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