#42C8BB#42C8BB

#42C8BB is a light, moderate teal. Relative luminance 0.461; OKLCH L 75.8% C 0.116 H 185.8°. Best body text is #000000 at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#42C8BB
RGB	rgb(66, 200, 187)
HSL	hsl(174, 55%, 52%)
HSV	hsv(174, 67%, 78%)
CMYK	cmyk(67%, 0%, 6.5%, 21.6%)
CIE-LAB	lab(73.58, -38.76, -4.07)
CIE-LCH	lch(73.58, 38.98, 186.00°)
OKLab	oklab(75.8% -0.1149 -0.0116)
OKLCH	oklch(75.8% 0.116 185.8)
XYZ	xyz(31.8665, 46.0511, 54.2134)
Luminance	0.4606 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C8BB #C8424F

analogous

#42C878 #42C8BB #4292C8

triadic

#42C8BB #BB42C8 #C8BB42

tetradic

#42C8BB #7842C8 #C8424F #92C842

square

#42C8BB #7842C8 #C8424F #92C842

split-complementary

#42C8BB #C84292 #C87842

monochromatic

#206F68 #2E9F94 #42C8BB #71D6CC #A1E4DD

Accessibility & contrast

On white

2.06

#42C8BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.21

#42C8BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C8BB

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C8BB	#FFFFFF	#000000	##000000
##42C8BB	1.00	2.06	10.21	10.21
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.21	21.00	1.00	1.00
##000000	10.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEBDBB

Deuteranopia (green-blind)

#AAAFBC

Tritanopia (blue-blind)

#00CCC4

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #42c8bb;
/* rgb */ color: rgb(66, 200, 187);
/* oklch */ color: oklch(75.8% 0.116 185.8);

Tailwind

colors: {
  custom: {
    50: '#88d9cf',
    500: '#42c8bb',
    950: '#000000',
  },
}

SCSS

$custom: #42c8bb;
$custom-light: #88d9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#42c8bb",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 187
  },
  "hsl": {
    "h": 174.179,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.75799,
    "c": 0.11553,
    "h": 185.8
  },
  "luminance": 0.46055
}

Semantic roles & 50–950 ramp

primary

#42C8BB

secondary

#D0969B

accent

#4A58DE

background

#F9FDFC

surface

#F1FAF9

border

#CBD3D2

text

#0D1513

muted

#7E8382

Preview Lab

Preview with #42C8BB

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

Preview Lab → · Contrast checker → · Palette generator →