#21BDA4#21BDA4

#21BDA4 is a light, vivid teal. Relative luminance 0.394; OKLCH L 71.7% C 0.126 H 178.2°. Best body text is #000000 at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#21BDA4
RGB	rgb(33, 189, 164)
HSL	hsl(170, 70%, 44%)
HSV	hsv(170, 83%, 74%)
CMYK	cmyk(82.5%, 0%, 13.2%, 25.9%)
CIE-LAB	lab(69.04, -43.96, 1.75)
CIE-LCH	lch(69.04, 44.00, 177.71°)
OKLab	oklab(71.73% -0.126 0.004)
OKLCH	oklch(71.73% 0.126 178.2)
XYZ	xyz(25.5222, 39.3956, 41.3737)
Luminance	0.3940 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BDA4 #BD213A

analogous

#21BD56 #21BDA4 #2188BD

triadic

#21BDA4 #A421BD #BDA421

tetradic

#21BDA4 #5621BD #BD213A #88BD21

square

#21BDA4 #5621BD #BD213A #88BD21

split-complementary

#21BDA4 #BD2188 #BD5621

monochromatic

#0F554A #188977 #21BDA4 #3EDDC4 #72E6D4

Accessibility & contrast

On white

2.36

#21BDA4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.88

#21BDA4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BDA4

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BDA4	#FFFFFF	#000000	##000000
##21BDA4	1.00	2.36	8.88	8.88
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.88	21.00	1.00	1.00
##000000	8.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5B1A3

Deuteranopia (green-blind)

#A2A3A6

Tritanopia (blue-blind)

#00C0B5

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #21bda4;
/* rgb */ color: rgb(33, 189, 164);
/* oklch */ color: oklch(71.7% 0.126 178.2);

Tailwind

colors: {
  custom: {
    50: '#7ad2be',
    500: '#21bda4',
    950: '#000000',
  },
}

SCSS

$custom: #21bda4;
$custom-light: #7ad2be;
$custom-dark: #000000;

JSON

{
  "hex": "#21bda4",
  "rgb": {
    "r": 33,
    "g": 189,
    "b": 164
  },
  "hsl": {
    "h": 170.385,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.71725,
    "c": 0.12606,
    "h": 178.2
  },
  "luminance": 0.39399
}

Semantic roles & 50–950 ramp

primary

#21BDA4

secondary

#CD6D7C

accent

#3B57ED

background

#F8FCFB

surface

#EFF9F6

border

#CAD2D0

text

#0B1412

muted

#7C8281

Preview Lab

Preview with #21BDA4

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

Preview Lab → · Contrast checker → · Palette generator →