#42C7BB#42C7BB

#42C7BB is a light, moderate teal. Relative luminance 0.456; OKLCH L 75.6% C 0.115 H 186.4°. Best body text is #000000 at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#42C7BB
RGB	rgb(66, 199, 187)
HSL	hsl(175, 54%, 52%)
HSV	hsv(175, 67%, 78%)
CMYK	cmyk(66.8%, 0%, 6%, 22%)
CIE-LAB	lab(73.28, -38.31, -4.51)
CIE-LCH	lch(73.28, 38.57, 186.72°)
OKLab	oklab(75.56% -0.1139 -0.0128)
OKLCH	oklch(75.56% 0.115 186.4)
XYZ	xyz(31.6357, 45.5894, 54.1364)
Luminance	0.4559 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C7BB #C7424E

analogous

#42C778 #42C7BB #4291C7

triadic

#42C7BB #BB42C7 #C7BB42

tetradic

#42C7BB #7842C7 #C7424E #91C742

square

#42C7BB #7842C7 #C7424E #91C742

split-complementary

#42C7BB #C74291 #C77842

monochromatic

#216E67 #2F9D93 #42C7BB #71D5CC #A0E3DD

Accessibility & contrast

On white

2.08

#42C7BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.12

#42C7BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C7BB

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C7BB	#FFFFFF	#000000	##000000
##42C7BB	1.00	2.08	10.12	10.12
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.12	21.00	1.00	1.00
##000000	10.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDBCBB

Deuteranopia (green-blind)

#A9AEBC

Tritanopia (blue-blind)

#00CCC3

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42c7bb;
/* rgb */ color: rgb(66, 199, 187);
/* oklch */ color: oklch(75.6% 0.115 186.4);

Tailwind

colors: {
  custom: {
    50: '#88d8cf',
    500: '#42c7bb',
    950: '#000000',
  },
}

SCSS

$custom: #42c7bb;
$custom-light: #88d8cf;
$custom-dark: #000000;

JSON

{
  "hex": "#42c7bb",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 187
  },
  "hsl": {
    "h": 174.586,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.75555,
    "c": 0.11464,
    "h": 186.4
  },
  "luminance": 0.45593
}

Semantic roles & 50–950 ramp

primary

#42C7BB

secondary

#D0959B

accent

#4A57DE

background

#F9FDFC

surface

#F1FAF9

border

#CBD3D2

text

#0D1413

muted

#7E8382

Preview Lab

Preview with #42C7BB

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

Preview Lab → · Contrast checker → · Palette generator →