#21ADA5#21ADA5

#21ADA5 is a light, moderate teal. Relative luminance 0.329; OKLCH L 67.7% C 0.111 H 188.8°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#21ADA5
RGB	rgb(33, 173, 165)
HSL	hsl(177, 68%, 40%)
HSV	hsv(177, 81%, 68%)
CMYK	cmyk(80.9%, 0%, 4.6%, 32.2%)
CIE-LAB	lab(64.10, -36.60, -6.05)
CIE-LCH	lch(64.10, 37.10, 189.38°)
OKLab	oklab(67.7% -0.11 -0.017)
OKLCH	oklch(67.7% 0.111 188.8)
XYZ	xyz(22.3590, 32.9243, 40.7666)
Luminance	0.3293 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21ADA5 #AD2129

analogous

#21AD5F #21ADA5 #216FAD

triadic

#21ADA5 #A521AD #ADA521

tetradic

#21ADA5 #5F21AD #AD2129 #6FAD21

square

#21ADA5 #5F21AD #AD2129 #6FAD21

split-complementary

#21ADA5 #AD216F #AD5F21

monochromatic

#0D4643 #177A74 #21ADA5 #33D8CF #66E2DB

Accessibility & contrast

On white

2.77

#21ADA5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#21ADA5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21ADA5

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21ADA5	#FFFFFF	#000000	##000000
##21ADA5	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3A3A5

Deuteranopia (green-blind)

#9096A6

Tritanopia (blue-blind)

#00B2AA

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #21ada5;
/* rgb */ color: rgb(33, 173, 165);
/* oklch */ color: oklch(67.7% 0.111 188.8);

Tailwind

colors: {
  custom: {
    50: '#78c6bf',
    500: '#21ada5',
    950: '#000000',
  },
}

SCSS

$custom: #21ada5;
$custom-light: #78c6bf;
$custom-dark: #000000;

JSON

{
  "hex": "#21ada5",
  "rgb": {
    "r": 33,
    "g": 173,
    "b": 165
  },
  "hsl": {
    "h": 176.571,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.67701,
    "c": 0.11129,
    "h": 188.8
  },
  "luminance": 0.32927
}

Semantic roles & 50–950 ramp

primary

#21ADA5

secondary

#C76268

accent

#3D47EB

background

#F8FCFB

surface

#EFF8F7

border

#CAD1D0

text

#0B1312

muted

#7C8281

Preview Lab

Preview with #21ADA5

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

Preview Lab → · Contrast checker → · Palette generator →