#21A579#21A579

#21A579 is a light, vivid teal. Relative luminance 0.286; OKLCH L 64.3% C 0.128 H 164.7°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#21A579
RGB	rgb(33, 165, 121)
HSL	hsl(160, 67%, 39%)
HSV	hsv(160, 80%, 65%)
CMYK	cmyk(80%, 0%, 26.7%, 35.3%)
CIE-LAB	lab(60.44, -44.85, 13.23)
CIE-LCH	lch(60.44, 46.76, 163.57°)
OKLab	oklab(64.33% -0.1231 0.0337)
OKLCH	oklch(64.33% 0.128 164.7)
XYZ	xyz(17.5315, 28.6119, 22.6841)
Luminance	0.2861 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A579 #A5214D

analogous

#21A537 #21A579 #218FA5

triadic

#21A579 #7921A5 #A57921

tetradic

#21A579 #3721A5 #A5214D #8FA521

square

#21A579 #3721A5 #A5214D #8FA521

split-complementary

#21A579 #A5218F #A53721

monochromatic

#0D3F2E #177254 #21A579 #2ED59D #61DFB5

Accessibility & contrast

On white

3.12

#21A579 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#21A579 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A579

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A579	#FFFFFF	#000000	##000000
##21A579	1.00	3.12	6.72	6.72
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A29977

Deuteranopia (green-blind)

#928D7C

Tritanopia (blue-blind)

#00A599

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #21a579;
/* rgb */ color: rgb(33, 165, 121);
/* oklch */ color: oklch(64.3% 0.128 164.7);

Tailwind

colors: {
  custom: {
    50: '#73c19f',
    500: '#21a579',
    950: '#000000',
  },
}

SCSS

$custom: #21a579;
$custom-light: #73c19f;
$custom-dark: #000000;

JSON

{
  "hex": "#21a579",
  "rgb": {
    "r": 33,
    "g": 165,
    "b": 121
  },
  "hsl": {
    "h": 160,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.64328,
    "c": 0.12765,
    "h": 164.7
  },
  "luminance": 0.28614
}

Semantic roles & 50–950 ramp

primary

#21A579

secondary

#C45E80

accent

#3E77EA

background

#F7FBF9

surface

#EEF7F2

border

#C9D0CC

text

#0A120E

muted

#7C817E

Preview Lab

Preview with #21A579

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

Preview Lab → · Contrast checker → · Palette generator →