#21B370#21B370

#21B370 is a light, vivid teal. Relative luminance 0.337; OKLCH L 67.8% C 0.153 H 156.9°. Best body text is #000000 at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#21B370
RGB	rgb(33, 179, 112)
HSL	hsl(152, 69%, 42%)
HSV	hsv(152, 82%, 70%)
CMYK	cmyk(81.6%, 0%, 37.4%, 29.8%)
CIE-LAB	lab(64.75, -52.30, 24.04)
CIE-LCH	lch(64.75, 57.56, 155.32°)
OKLab	oklab(67.82% -0.1412 0.0602)
OKLCH	oklch(67.82% 0.153 156.9)
XYZ	xyz(19.6699, 33.7309, 20.8001)
Luminance	0.3373 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B370 #B32164

analogous

#21B327 #21B370 #21ADB3

triadic

#21B370 #7021B3 #B37021

tetradic

#21B370 #2721B3 #B32164 #ADB321

square

#21B370 #2721B3 #B32164 #ADB321

split-complementary

#21B370 #B321AD #B32721

monochromatic

#0E4C2F #177F50 #21B370 #37DA8F #6BE4AC

Accessibility & contrast

On white

2.71

#21B370 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.75

#21B370 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B370

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B370	#FFFFFF	#000000	##000000
##21B370	1.00	2.71	7.75	7.75
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.75	21.00	1.00	1.00
##000000	7.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A46C

Deuteranopia (green-blind)

#A19874

Tritanopia (blue-blind)

#00B1A2

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #21b370;
/* rgb */ color: rgb(33, 179, 112);
/* oklch */ color: oklch(67.8% 0.153 156.9);

Tailwind

colors: {
  custom: {
    50: '#76cb99',
    500: '#21b370',
    950: '#000000',
  },
}

SCSS

$custom: #21b370;
$custom-light: #76cb99;
$custom-dark: #000000;

JSON

{
  "hex": "#21b370",
  "rgb": {
    "r": 33,
    "g": 179,
    "b": 112
  },
  "hsl": {
    "h": 152.466,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.67822,
    "c": 0.15347,
    "h": 156.9
  },
  "luminance": 0.33733
}

Semantic roles & 50–950 ramp

primary

#21B370

secondary

#CA6694

accent

#3C8DEC

background

#F7FCF9

surface

#EEF9F2

border

#C9D2CC

text

#0A130E

muted

#7C827E

Preview Lab

Preview with #21B370

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

Preview Lab → · Contrast checker → · Palette generator →