#21AD78#21AD78

#21AD78 is a light, vivid teal. Relative luminance 0.316; OKLCH L 66.4% C 0.139 H 161.5°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#21AD78
RGB	rgb(33, 173, 120)
HSL	hsl(157, 68%, 40%)
HSV	hsv(157, 81%, 68%)
CMYK	cmyk(80.9%, 0%, 30.6%, 32.2%)
CIE-LAB	lab(62.98, -48.29, 17.31)
CIE-LCH	lch(62.98, 51.30, 160.28°)
OKLab	oklab(66.41% -0.1315 0.0439)
OKLCH	oklch(66.41% 0.139 161.5)
XYZ	xyz(18.9588, 31.5642, 22.8589)
Luminance	0.3157 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21AD78 #AD2156

analogous

#21AD32 #21AD78 #219CAD

triadic

#21AD78 #7821AD #AD7821

tetradic

#21AD78 #3221AD #AD2156 #9CAD21

square

#21AD78 #3221AD #AD2156 #9CAD21

split-complementary

#21AD78 #AD219C #AD3221

monochromatic

#0D4631 #177A54 #21AD78 #33D89A #66E2B3

Accessibility & contrast

On white

2.87

#21AD78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#21AD78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AD78

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21AD78	#FFFFFF	#000000	##000000
##21AD78	1.00	2.87	7.31	7.31
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.31	21.00	1.00	1.00
##000000	7.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA9F75

Deuteranopia (green-blind)

#9A947B

Tritanopia (blue-blind)

#00AD9F

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #21ad78;
/* rgb */ color: rgb(33, 173, 120);
/* oklch */ color: oklch(66.4% 0.139 161.5);

Tailwind

colors: {
  custom: {
    50: '#75c69f',
    500: '#21ad78',
    950: '#000000',
  },
}

SCSS

$custom: #21ad78;
$custom-light: #75c69f;
$custom-dark: #000000;

JSON

{
  "hex": "#21ad78",
  "rgb": {
    "r": 33,
    "g": 173,
    "b": 120
  },
  "hsl": {
    "h": 157.286,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.66414,
    "c": 0.13866,
    "h": 161.5
  },
  "luminance": 0.31567
}

Semantic roles & 50–950 ramp

primary

#21AD78

secondary

#C76289

accent

#3D7FEB

background

#F7FCF9

surface

#EEF8F2

border

#C9D1CC

text

#0A130E

muted

#7C827E

Preview Lab

Preview with #21AD78

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

Preview Lab → · Contrast checker → · Palette generator →