#21B291#21B291

#21B291 is a light, vivid teal. Relative luminance 0.342; OKLCH L 68.4% C 0.125 H 172.4°. Best body text is #000000 at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#21B291
RGB	rgb(33, 178, 145)
HSL	hsl(166, 69%, 41%)
HSV	hsv(166, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 18.5%, 30.2%)
CIE-LAB	lab(65.13, -44.29, 6.56)
CIE-LCH	lch(65.13, 44.78, 171.57°)
OKLab	oklab(68.36% -0.1243 0.0167)
OKLCH	oklch(68.36% 0.125 172.4)
XYZ	xyz(21.6557, 34.2057, 32.2436)
Luminance	0.3421 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B291 #B22142

analogous

#21B249 #21B291 #218BB2

triadic

#21B291 #9121B2 #B29121

tetradic

#21B291 #4921B2 #B22142 #8BB221

square

#21B291 #4921B2 #B22142 #8BB221

split-complementary

#21B291 #B2218B #B24921

monochromatic

#0E4B3D #177E67 #21B291 #36DAB5 #6AE3C8

Accessibility & contrast

On white

2.68

#21B291 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.84

#21B291 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B291

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B291	#FFFFFF	#000000	##000000
##21B291	1.00	2.68	7.84	7.84
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.84	21.00	1.00	1.00
##000000	7.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACA68F

Deuteranopia (green-blind)

#9A9993

Tritanopia (blue-blind)

#00B4A8

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #21b291;
/* rgb */ color: rgb(33, 178, 145);
/* oklch */ color: oklch(68.4% 0.125 172.4);

Tailwind

colors: {
  custom: {
    50: '#77cab1',
    500: '#21b291',
    950: '#000000',
  },
}

SCSS

$custom: #21b291;
$custom-light: #77cab1;
$custom-dark: #000000;

JSON

{
  "hex": "#21b291",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 145
  },
  "hsl": {
    "h": 166.345,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.68361,
    "c": 0.12543,
    "h": 172.4
  },
  "luminance": 0.34208
}

Semantic roles & 50–950 ramp

primary

#21B291

secondary

#C9667C

accent

#3C64EC

background

#F8FCFA

surface

#EFF8F5

border

#CAD1CF

text

#0A1310

muted

#7C827F

Preview Lab

Preview with #21B291

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

Preview Lab → · Contrast checker → · Palette generator →