#42C8BF#42C8BF

#42C8BF is a light, moderate teal. Relative luminance 0.462; OKLCH L 75.9% C 0.114 H 188.6°. Best body text is #000000 at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#42C8BF
RGB	rgb(66, 200, 191)
HSL	hsl(176, 55%, 52%)
HSV	hsv(176, 67%, 78%)
CMYK	cmyk(67%, 0%, 4.5%, 21.6%)
CIE-LAB	lab(73.69, -37.68, -6.08)
CIE-LCH	lch(73.69, 38.16, 189.16°)
OKLab	oklab(75.93% -0.1132 -0.0171)
OKLCH	oklch(75.93% 0.114 188.6)
XYZ	xyz(32.3007, 46.2247, 56.5001)
Luminance	0.4623 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C8BF #C8424B

analogous

#42C87C #42C8BF #428EC8

triadic

#42C8BF #BF42C8 #C8BF42

tetradic

#42C8BF #7C42C8 #C8424B #8EC842

square

#42C8BF #7C42C8 #C8424B #8EC842

split-complementary

#42C8BF #C8428E #C87C42

monochromatic

#206F6A #2E9F97 #42C8BF #71D6CF #A1E4DF

Accessibility & contrast

On white

2.05

#42C8BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.25

#42C8BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C8BF

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C8BF	#FFFFFF	#000000	##000000
##42C8BF	1.00	2.05	10.25	10.25
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.25	21.00	1.00	1.00
##000000	10.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDBEBF

Deuteranopia (green-blind)

#A9AFC0

Tritanopia (blue-blind)

#00CDC5

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #42c8bf;
/* rgb */ color: rgb(66, 200, 191);
/* oklch */ color: oklch(75.9% 0.114 188.6);

Tailwind

colors: {
  custom: {
    50: '#88d9d2',
    500: '#42c8bf',
    950: '#000000',
  },
}

SCSS

$custom: #42c8bf;
$custom-light: #88d9d2;
$custom-dark: #000000;

JSON

{
  "hex": "#42c8bf",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 191
  },
  "hsl": {
    "h": 175.97,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.75928,
    "c": 0.11444,
    "h": 188.6
  },
  "luminance": 0.46228
}

Semantic roles & 50–950 ramp

primary

#42C8BF

secondary

#D0969A

accent

#4A54DE

background

#F9FDFC

surface

#F1FAF9

border

#CBD3D2

text

#0D1514

muted

#7E8382

Preview Lab

Preview with #42C8BF

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

Preview Lab → · Contrast checker → · Palette generator →