#21B284#21B284

#21B284 is a light, vivid teal. Relative luminance 0.338; OKLCH L 68.0% C 0.135 H 165.4°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#21B284
RGB	rgb(33, 178, 132)
HSL	hsl(161, 69%, 41%)
HSV	hsv(161, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 25.8%, 30.2%)
CIE-LAB	lab(64.83, -47.51, 13.30)
CIE-LCH	lch(64.83, 49.34, 164.37°)
OKLab	oklab(68.02% -0.1306 0.0339)
OKLCH	oklch(68.02% 0.135 165.4)
XYZ	xyz(20.7100, 33.8275, 27.2632)
Luminance	0.3383 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B284 #B2214F

analogous

#21B23C #21B284 #2198B2

triadic

#21B284 #8421B2 #B28421

tetradic

#21B284 #3C21B2 #B2214F #98B221

square

#21B284 #3C21B2 #B2214F #98B221

split-complementary

#21B284 #B22198 #B23C21

monochromatic

#0E4B37 #177E5E #21B284 #36DAA6 #6AE3BD

Accessibility & contrast

On white

2.70

#21B284 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#21B284 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B284

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B284	#FFFFFF	#000000	##000000
##21B284	1.00	2.70	7.77	7.77
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.77	21.00	1.00	1.00
##000000	7.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEA581

Deuteranopia (green-blind)

#9D9887

Tritanopia (blue-blind)

#00B2A5

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #21b284;
/* rgb */ color: rgb(33, 178, 132);
/* oklch */ color: oklch(68.0% 0.135 165.4);

Tailwind

colors: {
  custom: {
    50: '#77caa7',
    500: '#21b284',
    950: '#000000',
  },
}

SCSS

$custom: #21b284;
$custom-light: #77caa7;
$custom-dark: #000000;

JSON

{
  "hex": "#21b284",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 132
  },
  "hsl": {
    "h": 160.966,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.68016,
    "c": 0.13494,
    "h": 165.4
  },
  "luminance": 0.3383
}

Semantic roles & 50–950 ramp

primary

#21B284

secondary

#C96685

accent

#3C74EC

background

#F7FCFA

surface

#EEF8F4

border

#C9D1CE

text

#0A130F

muted

#7C827F

Preview Lab

Preview with #21B284

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

Preview Lab → · Contrast checker → · Palette generator →