#21AAA0#21AAA0

#21AAA0 is a light, moderate teal. Relative luminance 0.316; OKLCH L 66.8% C 0.110 H 187.2°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#21AAA0
RGB	rgb(33, 170, 160)
HSL	hsl(176, 67%, 40%)
HSV	hsv(176, 81%, 67%)
CMYK	cmyk(80.6%, 0%, 5.9%, 33.3%)
CIE-LAB	lab(63.02, -36.68, -4.85)
CIE-LCH	lch(63.02, 37.00, 187.54°)
OKLab	oklab(66.77% -0.1093 -0.0137)
OKLCH	oklch(66.77% 0.11 187.2)
XYZ	xyz(21.3440, 31.6082, 38.2269)
Luminance	0.3161 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21AAA0 #AA212B

analogous

#21AA5B #21AAA0 #2170AA

triadic

#21AAA0 #A021AA #AAA021

tetradic

#21AAA0 #5B21AA #AA212B #70AA21

square

#21AAA0 #5B21AA #AA212B #70AA21

split-complementary

#21AAA0 #AA2170 #AA5B21

monochromatic

#0D4340 #177770 #21AAA0 #31D7CB #64E1D8

Accessibility & contrast

On white

2.87

#21AAA0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#21AAA0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AAA0

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21AAA0	#FFFFFF	#000000	##000000
##21AAA0	1.00	2.87	7.32	7.32
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.32	21.00	1.00	1.00
##000000	7.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0A0A0

Deuteranopia (green-blind)

#8E93A1

Tritanopia (blue-blind)

#00AEA7

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #21aaa0;
/* rgb */ color: rgb(33, 170, 160);
/* oklch */ color: oklch(66.8% 0.110 187.2);

Tailwind

colors: {
  custom: {
    50: '#77c4bc',
    500: '#21aaa0',
    950: '#000000',
  },
}

SCSS

$custom: #21aaa0;
$custom-light: #77c4bc;
$custom-dark: #000000;

JSON

{
  "hex": "#21aaa0",
  "rgb": {
    "r": 33,
    "g": 170,
    "b": 160
  },
  "hsl": {
    "h": 175.62,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.6677,
    "c": 0.1102,
    "h": 187.2
  },
  "luminance": 0.31611
}

Semantic roles & 50–950 ramp

primary

#21AAA0

secondary

#C66168

accent

#3D4AEA

background

#F7FCFB

surface

#EEF8F6

border

#C9D1D0

text

#0A1312

muted

#7C8281

Preview Lab

Preview with #21AAA0

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

Preview Lab → · Contrast checker → · Palette generator →