#21B280#21B280

#21B280 is a light, vivid teal. Relative luminance 0.337; OKLCH L 67.9% C 0.138 H 163.6°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#21B280
RGB	rgb(33, 178, 128)
HSL	hsl(159, 69%, 41%)
HSV	hsv(159, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 28.1%, 30.2%)
CIE-LAB	lab(64.74, -48.45, 15.37)
CIE-LCH	lch(64.74, 50.83, 162.40°)
OKLab	oklab(67.92% -0.1325 0.0391)
OKLCH	oklch(67.92% 0.138 163.6)
XYZ	xyz(20.4415, 33.7201, 25.8492)
Luminance	0.3372 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B280 #B22153

analogous

#21B238 #21B280 #219CB2

triadic

#21B280 #8021B2 #B28021

tetradic

#21B280 #3821B2 #B22153 #9CB221

square

#21B280 #3821B2 #B22153 #9CB221

split-complementary

#21B280 #B2219C #B23821

monochromatic

#0E4B36 #177E5B #21B280 #36DAA1 #6AE3BA

Accessibility & contrast

On white

2.71

#21B280 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#21B280 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B280

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B280	#FFFFFF	#000000	##000000
##21B280	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFA47D

Deuteranopia (green-blind)

#9E9883

Tritanopia (blue-blind)

#00B2A4

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #21b280;
/* rgb */ color: rgb(33, 178, 128);
/* oklch */ color: oklch(67.9% 0.138 163.6);

Tailwind

colors: {
  custom: {
    50: '#76caa5',
    500: '#21b280',
    950: '#000000',
  },
}

SCSS

$custom: #21b280;
$custom-light: #76caa5;
$custom-dark: #000000;

JSON

{
  "hex": "#21b280",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 128
  },
  "hsl": {
    "h": 159.31,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67917,
    "c": 0.13819,
    "h": 163.6
  },
  "luminance": 0.33723
}

Semantic roles & 50–950 ramp

primary

#21B280

secondary

#C96688

accent

#3C79EC

background

#F7FCFA

surface

#EEF8F4

border

#C9D1CE

text

#0A130F

muted

#7C827F

Preview Lab

Preview with #21B280

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

Preview Lab → · Contrast checker → · Palette generator →