#42CCBB#42CCBB

#42CCBB is a light, moderate teal. Relative luminance 0.479; OKLCH L 76.8% C 0.119 H 183.3°. Best body text is #000000 at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#42CCBB
RGB	rgb(66, 204, 187)
HSL	hsl(173, 58%, 53%)
HSV	hsv(173, 68%, 80%)
CMYK	cmyk(67.6%, 0%, 8.3%, 20%)
CIE-LAB	lab(74.78, -40.56, -2.31)
CIE-LCH	lch(74.78, 40.63, 183.25°)
OKLab	oklab(76.78% -0.119 -0.0069)
OKLCH	oklch(76.78% 0.119 183.3)
XYZ	xyz(32.8050, 47.9281, 54.5262)
Luminance	0.4793 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CCBB #CC4253

analogous

#42CC76 #42CCBB #4298CC

triadic

#42CCBB #BB42CC #CCBB42

tetradic

#42CCBB #7642CC #CC4253 #98CC42

square

#42CCBB #7642CC #CC4253 #98CC42

split-complementary

#42CCBB #CC4298 #CC7642

monochromatic

#1F746A #2CA496 #42CCBB #72D9CC #A2E6DE

Accessibility & contrast

On white

1.98

#42CCBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.59

#42CCBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CCBB

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CCBB	#FFFFFF	#000000	##000000
##42CCBB	1.00	1.98	10.59	10.59
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.59	21.00	1.00	1.00
##000000	10.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2C1BA

Deuteranopia (green-blind)

#AFB2BD

Tritanopia (blue-blind)

#00D0C7

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #42ccbb;
/* rgb */ color: rgb(66, 204, 187);
/* oklch */ color: oklch(76.8% 0.119 183.3);

Tailwind

colors: {
  custom: {
    50: '#88dccf',
    500: '#42ccbb',
    950: '#000000',
  },
}

SCSS

$custom: #42ccbb;
$custom-light: #88dccf;
$custom-dark: #000000;

JSON

{
  "hex": "#42ccbb",
  "rgb": {
    "r": 66,
    "g": 204,
    "b": 187
  },
  "hsl": {
    "h": 172.609,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.76776,
    "c": 0.11919,
    "h": 183.3
  },
  "luminance": 0.47932
}

Semantic roles & 50–950 ramp

primary

#42CCBB

secondary

#D3979E

accent

#475AE1

background

#F9FDFC

surface

#F1FBF9

border

#CBD4D2

text

#0D1513

muted

#7E8382

Preview Lab

Preview with #42CCBB

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

Preview Lab → · Contrast checker → · Palette generator →