#21ADA3#21ADA3

#21ADA3 is a light, moderate teal. Relative luminance 0.329; OKLCH L 67.6% C 0.112 H 187.3°. Best body text is #000000 at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#21ADA3
RGB	rgb(33, 173, 163)
HSL	hsl(176, 68%, 40%)
HSV	hsv(176, 81%, 68%)
CMYK	cmyk(80.9%, 0%, 5.8%, 32.2%)
CIE-LAB	lab(64.04, -37.18, -5.02)
CIE-LCH	lch(64.04, 37.52, 187.69°)
OKLab	oklab(67.63% -0.1109 -0.0142)
OKLCH	oklch(67.63% 0.112 187.3)
XYZ	xyz(22.1784, 32.8520, 39.8154)
Luminance	0.3286 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21ADA3 #AD212B

analogous

#21AD5D #21ADA3 #2171AD

triadic

#21ADA3 #A321AD #ADA321

tetradic

#21ADA3 #5D21AD #AD212B #71AD21

square

#21ADA3 #5D21AD #AD212B #71AD21

split-complementary

#21ADA3 #AD2171 #AD5D21

monochromatic

#0D4642 #177A73 #21ADA3 #33D8CC #66E2D9

Accessibility & contrast

On white

2.77

#21ADA3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.57

#21ADA3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21ADA3

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21ADA3	#FFFFFF	#000000	##000000
##21ADA3	1.00	2.77	7.57	7.57
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.57	21.00	1.00	1.00
##000000	7.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3A3A3

Deuteranopia (green-blind)

#9195A4

Tritanopia (blue-blind)

#00B1AA

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #21ada3;
/* rgb */ color: rgb(33, 173, 163);
/* oklch */ color: oklch(67.6% 0.112 187.3);

Tailwind

colors: {
  custom: {
    50: '#78c6be',
    500: '#21ada3',
    950: '#000000',
  },
}

SCSS

$custom: #21ada3;
$custom-light: #78c6be;
$custom-dark: #000000;

JSON

{
  "hex": "#21ada3",
  "rgb": {
    "r": 33,
    "g": 173,
    "b": 163
  },
  "hsl": {
    "h": 175.714,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.67634,
    "c": 0.11181,
    "h": 187.3
  },
  "luminance": 0.32855
}

Semantic roles & 50–950 ramp

primary

#21ADA3

secondary

#C7626A

accent

#3D49EB

background

#F8FCFB

surface

#EFF8F6

border

#CAD1D0

text

#0A1312

muted

#7C8281

Preview Lab

Preview with #21ADA3

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

Preview Lab → · Contrast checker → · Palette generator →