#21AAA6#21AAA6

#21AAA6 is a light, moderate teal. Relative luminance 0.318; OKLCH L 67.0% C 0.109 H 191.8°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#21AAA6
RGB	rgb(33, 170, 166)
HSL	hsl(178, 67%, 40%)
HSV	hsv(178, 81%, 67%)
CMYK	cmyk(80.6%, 0%, 2.4%, 33.3%)
CIE-LAB	lab(63.20, -34.92, -7.95)
CIE-LCH	lch(63.20, 35.81, 192.82°)
OKLab	oklab(66.97% -0.1066 -0.0222)
OKLCH	oklch(66.97% 0.109 191.8)
XYZ	xyz(21.8816, 31.8232, 41.0582)
Luminance	0.3183 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21AAA6 #AA2125

analogous

#21AA61 #21AAA6 #216AAA

triadic

#21AAA6 #A621AA #AAA621

tetradic

#21AAA6 #6121AA #AA2125 #6AAA21

square

#21AAA6 #6121AA #AA2125 #6AAA21

split-complementary

#21AAA6 #AA216A #AA6121

monochromatic

#0D4342 #177774 #21AAA6 #31D7D2 #64E1DD

Accessibility & contrast

On white

2.85

#21AAA6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#21AAA6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AAA6

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21AAA6	#FFFFFF	#000000	##000000
##21AAA6	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FA1A6

Deuteranopia (green-blind)

#8D93A7

Tritanopia (blue-blind)

#00AFA8

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #21aaa6;
/* rgb */ color: rgb(33, 170, 166);
/* oklch */ color: oklch(67.0% 0.109 191.8);

Tailwind

colors: {
  custom: {
    50: '#77c4c0',
    500: '#21aaa6',
    950: '#000000',
  },
}

SCSS

$custom: #21aaa6;
$custom-light: #77c4c0;
$custom-dark: #000000;

JSON

{
  "hex": "#21aaa6",
  "rgb": {
    "r": 33,
    "g": 170,
    "b": 166
  },
  "hsl": {
    "h": 178.248,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.66975,
    "c": 0.10887,
    "h": 191.8
  },
  "luminance": 0.31826
}

Semantic roles & 50–950 ramp

primary

#21AAA6

secondary

#C66164

accent

#3D42EA

background

#F8FCFB

surface

#EFF8F7

border

#CAD1D0

text

#0A1212

muted

#7C8181

Preview Lab

Preview with #21AAA6

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

Preview Lab → · Contrast checker → · Palette generator →