#21B179#21B179

#21B179 is a light, vivid teal. Relative luminance 0.331; OKLCH L 67.5% C 0.143 H 160.8°. Best body text is #000000 at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#21B179
RGB	rgb(33, 177, 121)
HSL	hsl(157, 69%, 41%)
HSV	hsv(157, 81%, 69%)
CMYK	cmyk(81.4%, 0%, 31.6%, 30.6%)
CIE-LAB	lab(64.28, -49.64, 18.55)
CIE-LCH	lch(64.28, 52.99, 159.51°)
OKLab	oklab(67.49% -0.1349 0.047)
OKLCH	oklch(67.49% 0.143 160.8)
XYZ	xyz(19.7984, 33.1456, 23.4397)
Luminance	0.3315 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B179 #B12159

analogous

#21B131 #21B179 #21A1B1

triadic

#21B179 #7921B1 #B17921

tetradic

#21B179 #3121B1 #B12159 #A1B121

square

#21B179 #3121B1 #B12159 #A1B121

split-complementary

#21B179 #B121A1 #B13121

monochromatic

#0E4A32 #177D56 #21B179 #36D99A #69E3B4

Accessibility & contrast

On white

2.75

#21B179 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.63

#21B179 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B179

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B179	#FFFFFF	#000000	##000000
##21B179	1.00	2.75	7.63	7.63
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.63	21.00	1.00	1.00
##000000	7.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEA376

Deuteranopia (green-blind)

#9E977D

Tritanopia (blue-blind)

#00B0A2

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #21b179;
/* rgb */ color: rgb(33, 177, 121);
/* oklch */ color: oklch(67.5% 0.143 160.8);

Tailwind

colors: {
  custom: {
    50: '#76c9a0',
    500: '#21b179',
    950: '#000000',
  },
}

SCSS

$custom: #21b179;
$custom-light: #76c9a0;
$custom-dark: #000000;

JSON

{
  "hex": "#21b179",
  "rgb": {
    "r": 33,
    "g": 177,
    "b": 121
  },
  "hsl": {
    "h": 156.667,
    "s": 68.571,
    "l": 41.176
  },
  "oklch": {
    "l": 0.6749,
    "c": 0.14289,
    "h": 160.8
  },
  "luminance": 0.33148
}

Semantic roles & 50–950 ramp

primary

#21B179

secondary

#C9658C

accent

#3C80EB

background

#F7FCF9

surface

#EEF8F2

border

#C9D1CC

text

#0A130E

muted

#7C827E

Preview Lab

Preview with #21B179

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

Preview Lab → · Contrast checker → · Palette generator →