#21BDA9#21BDA9

#21BDA9 is a light, vivid teal. Relative luminance 0.396; OKLCH L 71.9% C 0.124 H 181.3°. Best body text is #000000 at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#21BDA9
RGB	rgb(33, 189, 169)
HSL	hsl(172, 70%, 44%)
HSV	hsv(172, 83%, 74%)
CMYK	cmyk(82.5%, 0%, 10.6%, 25.9%)
CIE-LAB	lab(69.17, -42.61, -0.79)
CIE-LCH	lch(69.17, 42.61, 181.07°)
OKLab	oklab(71.88% -0.1237 -0.0028)
OKLCH	oklch(71.88% 0.124 181.3)
XYZ	xyz(25.9826, 39.5798, 43.7987)
Luminance	0.3958 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BDA9 #BD2135

analogous

#21BD5B #21BDA9 #2183BD

triadic

#21BDA9 #A921BD #BDA921

tetradic

#21BDA9 #5B21BD #BD2135 #83BD21

square

#21BDA9 #5B21BD #BD2135 #83BD21

split-complementary

#21BDA9 #BD2183 #BD5B21

monochromatic

#0F554C #18897A #21BDA9 #3EDDC9 #72E6D7

Accessibility & contrast

On white

2.36

#21BDA9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.92

#21BDA9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BDA9

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BDA9	#FFFFFF	#000000	##000000
##21BDA9	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)

#B4B1A8

Deuteranopia (green-blind)

#A0A3AB

Tritanopia (blue-blind)

#00C1B7

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #21bda9;
/* rgb */ color: rgb(33, 189, 169);
/* oklch */ color: oklch(71.9% 0.124 181.3);

Tailwind

colors: {
  custom: {
    50: '#7bd1c2',
    500: '#21bda9',
    950: '#000000',
  },
}

SCSS

$custom: #21bda9;
$custom-light: #7bd1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#21bda9",
  "rgb": {
    "r": 33,
    "g": 189,
    "b": 169
  },
  "hsl": {
    "h": 172.308,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.71877,
    "c": 0.12369,
    "h": 181.3
  },
  "luminance": 0.39583
}

Semantic roles & 50–950 ramp

primary

#21BDA9

secondary

#CD6D79

accent

#3B52ED

background

#F8FCFB

surface

#EFF9F7

border

#CAD2D0

text

#0B1412

muted

#7C8281

Preview Lab

Preview with #21BDA9

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

Preview Lab → · Contrast checker → · Palette generator →