#21B283#21B283

#21B283 is a light, vivid teal. Relative luminance 0.338; OKLCH L 68.0% C 0.136 H 165.0°. Best body text is #000000 at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#21B283
RGB	rgb(33, 178, 131)
HSL	hsl(161, 69%, 41%)
HSV	hsv(161, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 26.4%, 30.2%)
CIE-LAB	lab(64.80, -47.75, 13.81)
CIE-LCH	lch(64.80, 49.71, 163.86°)
OKLab	oklab(67.99% -0.1311 0.0352)
OKLCH	oklch(67.99% 0.136 165)
XYZ	xyz(20.6419, 33.8002, 26.9045)
Luminance	0.3380 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B283 #B22150

analogous

#21B23B #21B283 #2199B2

triadic

#21B283 #8321B2 #B28321

tetradic

#21B283 #3B21B2 #B22150 #99B221

square

#21B283 #3B21B2 #B22150 #99B221

split-complementary

#21B283 #B22199 #B23B21

monochromatic

#0E4B37 #177E5D #21B283 #36DAA5 #6AE3BC

Accessibility & contrast

On white

2.71

#21B283 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.76

#21B283 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B283

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B283	#FFFFFF	#000000	##000000
##21B283	1.00	2.71	7.76	7.76
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.76	21.00	1.00	1.00
##000000	7.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEA580

Deuteranopia (green-blind)

#9D9886

Tritanopia (blue-blind)

#00B2A5

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #21b283;
/* rgb */ color: rgb(33, 178, 131);
/* oklch */ color: oklch(68.0% 0.136 165.0);

Tailwind

colors: {
  custom: {
    50: '#77caa7',
    500: '#21b283',
    950: '#000000',
  },
}

SCSS

$custom: #21b283;
$custom-light: #77caa7;
$custom-dark: #000000;

JSON

{
  "hex": "#21b283",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 131
  },
  "hsl": {
    "h": 160.552,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67991,
    "c": 0.13573,
    "h": 165
  },
  "luminance": 0.33803
}

Semantic roles & 50–950 ramp

primary

#21B283

secondary

#C96686

accent

#3C75EC

background

#F7FCFA

surface

#EEF8F4

border

#C9D1CE

text

#0A130F

muted

#7C827F

Preview Lab

Preview with #21B283

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

Preview Lab → · Contrast checker → · Palette generator →