#21B37B#21B37B

#21B37B is a light, vivid teal. Relative luminance 0.340; OKLCH L 68.1% C 0.144 H 161.1°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#21B37B
RGB	rgb(33, 179, 123)
HSL	hsl(157, 69%, 42%)
HSV	hsv(157, 82%, 70%)
CMYK	cmyk(81.6%, 0%, 31.3%, 29.8%)
CIE-LAB	lab(64.96, -49.97, 18.39)
CIE-LCH	lch(64.96, 53.25, 159.80°)
OKLab	oklab(68.06% -0.1359 0.0466)
OKLCH	oklch(68.06% 0.144 161.1)
XYZ	xyz(20.3202, 33.9911, 24.2250)
Luminance	0.3399 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B37B #B32159

analogous

#21B332 #21B37B #21A2B3

triadic

#21B37B #7B21B3 #B37B21

tetradic

#21B37B #3221B3 #B32159 #A2B321

square

#21B37B #3221B3 #B32159 #A2B321

split-complementary

#21B37B #B321A2 #B33221

monochromatic

#0E4C34 #177F57 #21B37B #37DA9C #6BE4B5

Accessibility & contrast

On white

2.69

#21B37B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#21B37B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B37B

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B37B	#FFFFFF	#000000	##000000
##21B37B	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0A578

Deuteranopia (green-blind)

#9F997F

Tritanopia (blue-blind)

#00B2A4

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #21b37b;
/* rgb */ color: rgb(33, 179, 123);
/* oklch */ color: oklch(68.1% 0.144 161.1);

Tailwind

colors: {
  custom: {
    50: '#77cba1',
    500: '#21b37b',
    950: '#000000',
  },
}

SCSS

$custom: #21b37b;
$custom-light: #77cba1;
$custom-dark: #000000;

JSON

{
  "hex": "#21b37b",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 123
  },
  "hsl": {
    "h": 156.986,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.68061,
    "c": 0.14369,
    "h": 161.1
  },
  "luminance": 0.33994
}

Semantic roles & 50–950 ramp

primary

#21B37B

secondary

#CA668C

accent

#3C7FEC

background

#F7FCF9

surface

#EEF9F2

border

#C9D2CC

text

#0A130F

muted

#7C827E

Preview Lab

Preview with #21B37B

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

Preview Lab → · Contrast checker → · Palette generator →