#21BBBE#21BBBE

#21BBBE is a light, moderate teal. Relative luminance 0.396; OKLCH L 72.1% C 0.117 H 197.0°. Best body text is #000000 at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#21BBBE
RGB	rgb(33, 187, 190)
HSL	hsl(181, 70%, 44%)
HSV	hsv(181, 83%, 75%)
CMYK	cmyk(82.6%, 1.6%, 0%, 25.5%)
CIE-LAB	lab(69.17, -35.65, -12.33)
CIE-LCH	lch(69.17, 37.72, 199.08°)
OKLab	oklab(72.08% -0.1122 -0.0343)
OKLCH	oklch(72.08% 0.117 197)
XYZ	xyz(27.6875, 39.5781, 54.8853)
Luminance	0.3958 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BBBE #BE2421

analogous

#21BE72 #21BBBE #216DBE

triadic

#21BBBE #BE21BB #BBBE21

tetradic

#21BBBE #7221BE #BE2421 #6DBE21

square

#21BBBE #7221BE #BE2421 #6DBE21

split-complementary

#21BBBE #BE216D #BE7221

monochromatic

#0F5456 #18888A #21BBBE #3FDBDE #73E4E7

Accessibility & contrast

On white

2.36

#21BBBE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.92

#21BBBE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BBBE

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BBBE	#FFFFFF	#000000	##000000
##21BBBE	1.00	2.36	8.92	8.92
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.92	21.00	1.00	1.00
##000000	8.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADB2BE

Deuteranopia (green-blind)

#98A2BF

Tritanopia (blue-blind)

#00C2BC

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #21bbbe;
/* rgb */ color: rgb(33, 187, 190);
/* oklch */ color: oklch(72.1% 0.117 197.0);

Tailwind

colors: {
  custom: {
    50: '#7cd0d1',
    500: '#21bbbe',
    950: '#000000',
  },
}

SCSS

$custom: #21bbbe;
$custom-light: #7cd0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#21bbbe",
  "rgb": {
    "r": 33,
    "g": 187,
    "b": 190
  },
  "hsl": {
    "h": 181.146,
    "s": 70.404,
    "l": 43.725
  },
  "oklch": {
    "l": 0.72079,
    "c": 0.11737,
    "h": 197
  },
  "luminance": 0.39582
}

Semantic roles & 50–950 ramp

primary

#21BBBE

secondary

#CD6F6D

accent

#3E3BED

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1414

muted

#7D8282

Preview Lab

Preview with #21BBBE

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

Preview Lab → · Contrast checker → · Palette generator →