#42C8D5#42C8D5

#42C8D5 is a light, moderate teal. Relative luminance 0.473; OKLCH L 76.7% C 0.114 H 204.5°. Best body text is #000000 at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#42C8D5
RGB	rgb(66, 200, 213)
HSL	hsl(185, 64%, 55%)
HSV	hsv(185, 69%, 84%)
CMYK	cmyk(69%, 6.1%, 0%, 16.5%)
CIE-LAB	lab(74.36, -31.42, -17.00)
CIE-LCH	lch(74.36, 35.73, 208.42°)
OKLab	oklab(76.69% -0.1037 -0.0472)
OKLCH	oklch(76.69% 0.114 204.5)
XYZ	xyz(34.9061, 47.2669, 70.2217)
Luminance	0.4727 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C8D5 #D54F42

analogous

#42D598 #42C8D5 #427FD5

triadic

#42C8D5 #D542C8 #C8D542

tetradic

#42C8D5 #9842D5 #D54F42 #7FD542

square

#42C8D5 #9842D5 #D54F42 #7FD542

split-complementary

#42C8D5 #D5427F #D59842

monochromatic

#1C7780 #28A6B2 #42C8D5 #74D7E0 #A6E5EB

Accessibility & contrast

On white

2.01

#42C8D5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.45

#42C8D5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C8D5

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C8D5	#FFFFFF	#000000	##000000
##42C8D5	1.00	2.01	10.45	10.45
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.45	21.00	1.00	1.00
##000000	10.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8C0D6

Deuteranopia (green-blind)

#A3B0D5

Tritanopia (blue-blind)

#00D0CC

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #42c8d5;
/* rgb */ color: rgb(66, 200, 213);
/* oklch */ color: oklch(76.7% 0.114 204.5);

Tailwind

colors: {
  custom: {
    50: '#8ad9e1',
    500: '#42c8d5',
    950: '#000000',
  },
}

SCSS

$custom: #42c8d5;
$custom-light: #8ad9e1;
$custom-dark: #000000;

JSON

{
  "hex": "#42c8d5",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 213
  },
  "hsl": {
    "h": 185.306,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.76692,
    "c": 0.11398,
    "h": 204.5
  },
  "luminance": 0.47271
}

Semantic roles & 50–950 ramp

primary

#42C8D5

secondary

#D8A09A

accent

#5041E7

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C8D5

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

Preview Lab → · Contrast checker → · Palette generator →