#21B28B#21B28B

#21B28B is a light, vivid teal. Relative luminance 0.340; OKLCH L 68.2% C 0.130 H 169.0°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#21B28B
RGB	rgb(33, 178, 139)
HSL	hsl(164, 69%, 41%)
HSV	hsv(164, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 21.9%, 30.2%)
CIE-LAB	lab(64.98, -45.81, 9.67)
CIE-LCH	lch(64.98, 46.82, 168.08°)
OKLab	oklab(68.2% -0.1272 0.0247)
OKLCH	oklch(68.2% 0.13 169)
XYZ	xyz(21.2052, 34.0255, 29.8711)
Luminance	0.3403 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B28B #B22148

analogous

#21B243 #21B28B #2191B2

triadic

#21B28B #8B21B2 #B28B21

tetradic

#21B28B #4321B2 #B22148 #91B221

square

#21B28B #4321B2 #B22148 #91B221

split-complementary

#21B28B #B22191 #B24321

monochromatic

#0E4B3A #177E63 #21B28B #36DAAE #6AE3C3

Accessibility & contrast

On white

2.69

#21B28B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#21B28B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B28B

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B28B	#FFFFFF	#000000	##000000
##21B28B	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADA589

Deuteranopia (green-blind)

#9B988E

Tritanopia (blue-blind)

#00B3A7

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #21b28b;
/* rgb */ color: rgb(33, 178, 139);
/* oklch */ color: oklch(68.2% 0.130 169.0);

Tailwind

colors: {
  custom: {
    50: '#77caac',
    500: '#21b28b',
    950: '#000000',
  },
}

SCSS

$custom: #21b28b;
$custom-light: #77caac;
$custom-dark: #000000;

JSON

{
  "hex": "#21b28b",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 139
  },
  "hsl": {
    "h": 163.862,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.68197,
    "c": 0.12958,
    "h": 169
  },
  "luminance": 0.34028
}

Semantic roles & 50–950 ramp

primary

#21B28B

secondary

#C96680

accent

#3C6BEC

background

#F7FCFA

surface

#EEF8F4

border

#C9D1CE

text

#0A1310

muted

#7C827F

Preview Lab

Preview with #21B28B

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

Preview Lab → · Contrast checker → · Palette generator →