#42C8BC#42C8BC

#42C8BC is a light, moderate teal. Relative luminance 0.461; OKLCH L 75.8% C 0.115 H 186.5°. Best body text is #000000 at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#42C8BC
RGB	rgb(66, 200, 188)
HSL	hsl(175, 55%, 52%)
HSV	hsv(175, 67%, 78%)
CMYK	cmyk(67%, 0%, 6%, 21.6%)
CIE-LAB	lab(73.61, -38.49, -4.57)
CIE-LCH	lch(73.61, 38.76, 186.78°)
OKLab	oklab(75.83% -0.1145 -0.013)
OKLCH	oklch(75.83% 0.115 186.5)
XYZ	xyz(31.9739, 46.0940, 54.7791)
Luminance	0.4610 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C8BC #C8424E

analogous

#42C879 #42C8BC #4291C8

triadic

#42C8BC #BC42C8 #C8BC42

tetradic

#42C8BC #7942C8 #C8424E #91C842

square

#42C8BC #7942C8 #C8424E #91C842

split-complementary

#42C8BC #C84291 #C87942

monochromatic

#206F68 #2E9F95 #42C8BC #71D6CD #A1E4DE

Accessibility & contrast

On white

2.05

#42C8BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.22

#42C8BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C8BC

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C8BC	#FFFFFF	#000000	##000000
##42C8BC	1.00	2.05	10.22	10.22
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.22	21.00	1.00	1.00
##000000	10.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEBDBC

Deuteranopia (green-blind)

#AAAFBD

Tritanopia (blue-blind)

#00CDC4

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #42c8bc;
/* rgb */ color: rgb(66, 200, 188);
/* oklch */ color: oklch(75.8% 0.115 186.5);

Tailwind

colors: {
  custom: {
    50: '#88d9d0',
    500: '#42c8bc',
    950: '#000000',
  },
}

SCSS

$custom: #42c8bc;
$custom-light: #88d9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#42c8bc",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 188
  },
  "hsl": {
    "h": 174.627,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.75831,
    "c": 0.11522,
    "h": 186.5
  },
  "luminance": 0.46098
}

Semantic roles & 50–950 ramp

primary

#42C8BC

secondary

#D0969B

accent

#4A57DE

background

#F9FDFC

surface

#F1FAF9

border

#CBD3D2

text

#0D1513

muted

#7E8382

Preview Lab

Preview with #42C8BC

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

Preview Lab → · Contrast checker → · Palette generator →