#21B37F#21B37F

#21B37F is a light, vivid teal. Relative luminance 0.341; OKLCH L 68.2% C 0.140 H 162.8°. Best body text is #000000 at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#21B37F
RGB	rgb(33, 179, 127)
HSL	hsl(159, 69%, 42%)
HSV	hsv(159, 82%, 70%)
CMYK	cmyk(81.6%, 0%, 29.1%, 29.8%)
CIE-LAB	lab(65.04, -49.07, 16.32)
CIE-LCH	lch(65.04, 51.72, 161.60°)
OKLab	oklab(68.15% -0.134 0.0415)
OKLCH	oklch(68.15% 0.14 162.8)
XYZ	xyz(20.5757, 34.0933, 25.5708)
Luminance	0.3410 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B37F #B32155

analogous

#21B336 #21B37F #219EB3

triadic

#21B37F #7F21B3 #B37F21

tetradic

#21B37F #3621B3 #B32155 #9EB321

square

#21B37F #3621B3 #B32155 #9EB321

split-complementary

#21B37F #B3219E #B33621

monochromatic

#0E4C36 #177F5A #21B37F #37DAA0 #6BE4B9

Accessibility & contrast

On white

2.69

#21B37F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.82

#21B37F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B37F

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B37F	#FFFFFF	#000000	##000000
##21B37F	1.00	2.69	7.82	7.82
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.82	21.00	1.00	1.00
##000000	7.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0A57C

Deuteranopia (green-blind)

#9F9982

Tritanopia (blue-blind)

#00B3A5

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #21b37f;
/* rgb */ color: rgb(33, 179, 127);
/* oklch */ color: oklch(68.2% 0.140 162.8);

Tailwind

colors: {
  custom: {
    50: '#77cba4',
    500: '#21b37f',
    950: '#000000',
  },
}

SCSS

$custom: #21b37f;
$custom-light: #77cba4;
$custom-dark: #000000;

JSON

{
  "hex": "#21b37f",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 127
  },
  "hsl": {
    "h": 158.63,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.68154,
    "c": 0.14028,
    "h": 162.8
  },
  "luminance": 0.34096
}

Semantic roles & 50–950 ramp

primary

#21B37F

secondary

#CA668A

accent

#3C7BEC

background

#F7FCFA

surface

#EEF9F4

border

#C9D2CE

text

#0A130F

muted

#7C827F

Preview Lab

Preview with #21B37F

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

Preview Lab → · Contrast checker → · Palette generator →