#42C7BC#42C7BC

#42C7BC is a light, moderate teal. Relative luminance 0.456; OKLCH L 75.6% C 0.114 H 187.1°. Best body text is #000000 at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#42C7BC
RGB	rgb(66, 199, 188)
HSL	hsl(175, 54%, 52%)
HSV	hsv(175, 67%, 78%)
CMYK	cmyk(66.8%, 0%, 5.5%, 22%)
CIE-LAB	lab(73.31, -38.04, -5.02)
CIE-LCH	lch(73.31, 38.37, 187.51°)
OKLab	oklab(75.59% -0.1135 -0.0142)
OKLCH	oklch(75.59% 0.114 187.1)
XYZ	xyz(31.7431, 45.6323, 54.7022)
Luminance	0.4564 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C7BC #C7424D

analogous

#42C77A #42C7BC #428FC7

triadic

#42C7BC #BC42C7 #C7BC42

tetradic

#42C7BC #7A42C7 #C7424D #8FC742

square

#42C7BC #7A42C7 #C7424D #8FC742

split-complementary

#42C7BC #C7428F #C77A42

monochromatic

#216E68 #2F9D94 #42C7BC #71D5CD #A0E3DD

Accessibility & contrast

On white

2.07

#42C7BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.13

#42C7BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C7BC

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C7BC	#FFFFFF	#000000	##000000
##42C7BC	1.00	2.07	10.13	10.13
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.13	21.00	1.00	1.00
##000000	10.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDBCBC

Deuteranopia (green-blind)

#A9AEBD

Tritanopia (blue-blind)

#00CCC3

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42c7bc;
/* rgb */ color: rgb(66, 199, 188);
/* oklch */ color: oklch(75.6% 0.114 187.1);

Tailwind

colors: {
  custom: {
    50: '#88d8d0',
    500: '#42c7bc',
    950: '#000000',
  },
}

SCSS

$custom: #42c7bc;
$custom-light: #88d8d0;
$custom-dark: #000000;

JSON

{
  "hex": "#42c7bc",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 188
  },
  "hsl": {
    "h": 175.038,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.75587,
    "c": 0.11436,
    "h": 187.1
  },
  "luminance": 0.45636
}

Semantic roles & 50–950 ramp

primary

#42C7BC

secondary

#D0959A

accent

#4A56DE

background

#F9FDFC

surface

#F1FAF9

border

#CBD3D2

text

#0D1413

muted

#7E8382

Preview Lab

Preview with #42C7BC

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

Preview Lab → · Contrast checker → · Palette generator →