#42C8B5#42C8B5

#42C8B5 is a light, moderate teal. Relative luminance 0.458; OKLCH L 75.6% C 0.118 H 181.7°. Best body text is #000000 at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#42C8B5
RGB	rgb(66, 200, 181)
HSL	hsl(171, 55%, 52%)
HSV	hsv(171, 67%, 78%)
CMYK	cmyk(67%, 0%, 9.5%, 21.6%)
CIE-LAB	lab(73.42, -40.36, -1.06)
CIE-LCH	lch(73.42, 40.37, 181.50°)
OKLab	oklab(75.61% -0.1176 -0.0035)
OKLCH	oklch(75.61% 0.118 181.7)
XYZ	xyz(31.2376, 45.7995, 50.9010)
Luminance	0.4580 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C8B5 #C84255

analogous

#42C872 #42C8B5 #4298C8

triadic

#42C8B5 #B542C8 #C8B542

tetradic

#42C8B5 #7242C8 #C84255 #98C842

square

#42C8B5 #7242C8 #C84255 #98C842

split-complementary

#42C8B5 #C84298 #C87242

monochromatic

#206F64 #2E9F8F #42C8B5 #71D6C8 #A1E4DA

Accessibility & contrast

On white

2.07

#42C8B5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.16

#42C8B5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C8B5

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C8B5	#FFFFFF	#000000	##000000
##42C8B5	1.00	2.07	10.16	10.16
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.16	21.00	1.00	1.00
##000000	10.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFBDB4

Deuteranopia (green-blind)

#ACAEB7

Tritanopia (blue-blind)

#00CCC2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42c8b5;
/* rgb */ color: rgb(66, 200, 181);
/* oklch */ color: oklch(75.6% 0.118 181.7);

Tailwind

colors: {
  custom: {
    50: '#87d9cb',
    500: '#42c8b5',
    950: '#000000',
  },
}

SCSS

$custom: #42c8b5;
$custom-light: #87d9cb;
$custom-dark: #000000;

JSON

{
  "hex": "#42c8b5",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 181
  },
  "hsl": {
    "h": 171.493,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.75612,
    "c": 0.11768,
    "h": 181.7
  },
  "luminance": 0.45803
}

Semantic roles & 50–950 ramp

primary

#42C8B5

secondary

#D0969E

accent

#4A5FDE

background

#F9FDFC

surface

#F1FAF8

border

#CBD3D1

text

#0D1513

muted

#7E8382

Preview Lab

Preview with #42C8B5

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

Preview Lab → · Contrast checker → · Palette generator →