#21B38F#21B38F

#21B38F is a light, vivid teal. Relative luminance 0.345; OKLCH L 68.6% C 0.128 H 170.8°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#21B38F
RGB	rgb(33, 179, 143)
HSL	hsl(165, 69%, 42%)
HSV	hsv(165, 82%, 70%)
CMYK	cmyk(81.6%, 0%, 20.1%, 29.8%)
CIE-LAB	lab(65.39, -45.22, 8.05)
CIE-LCH	lch(65.39, 45.93, 169.91°)
OKLab	oklab(68.56% -0.1263 0.0205)
OKLCH	oklch(68.56% 0.128 170.8)
XYZ	xyz(21.7025, 34.5440, 31.5051)
Luminance	0.3455 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B38F #B32145

analogous

#21B346 #21B38F #218EB3

triadic

#21B38F #8F21B3 #B38F21

tetradic

#21B38F #4621B3 #B32145 #8EB321

square

#21B38F #4621B3 #B32145 #8EB321

split-complementary

#21B38F #B3218E #B34621

monochromatic

#0E4C3C #177F66 #21B38F #37DAB2 #6BE4C6

Accessibility & contrast

On white

2.66

#21B38F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#21B38F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B38F

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B38F	#FFFFFF	#000000	##000000
##21B38F	1.00	2.66	7.91	7.91
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADA68D

Deuteranopia (green-blind)

#9C9992

Tritanopia (blue-blind)

#00B4A9

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #21b38f;
/* rgb */ color: rgb(33, 179, 143);
/* oklch */ color: oklch(68.6% 0.128 170.8);

Tailwind

colors: {
  custom: {
    50: '#77caaf',
    500: '#21b38f',
    950: '#000000',
  },
}

SCSS

$custom: #21b38f;
$custom-light: #77caaf;
$custom-dark: #000000;

JSON

{
  "hex": "#21b38f",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 143
  },
  "hsl": {
    "h": 165.205,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.68564,
    "c": 0.12792,
    "h": 170.8
  },
  "luminance": 0.34547
}

Semantic roles & 50–950 ramp

primary

#21B38F

secondary

#CA667F

accent

#3C67EC

background

#F8FCFA

surface

#EFF8F4

border

#CAD1CE

text

#0A1310

muted

#7C827F

Preview Lab

Preview with #21B38F

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

Preview Lab → · Contrast checker → · Palette generator →