#42C4D5#42C4D5

#42C4D5 is a light, moderate teal. Relative luminance 0.454; OKLCH L 75.7% C 0.113 H 207.6°. Best body text is #000000 at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#42C4D5
RGB	rgb(66, 196, 213)
HSL	hsl(187, 64%, 55%)
HSV	hsv(187, 69%, 84%)
CMYK	cmyk(69%, 8%, 0%, 16.5%)
CIE-LAB	lab(73.18, -29.49, -18.79)
CIE-LCH	lch(73.18, 34.96, 212.50°)
OKLab	oklab(75.74% -0.0998 -0.0522)
OKLCH	oklch(75.74% 0.113 207.6)
XYZ	xyz(33.9918, 45.4383, 69.9169)
Luminance	0.4544 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C4D5 #D55342

analogous

#42D59D #42C4D5 #427AD5

triadic

#42C4D5 #D542C4 #C4D542

tetradic

#42C4D5 #9D42D5 #D55342 #7AD542

square

#42C4D5 #9D42D5 #D55342 #7AD542

split-complementary

#42C4D5 #D5427A #D59D42

monochromatic

#1C7580 #28A2B2 #42C4D5 #74D4E0 #A6E3EB

Accessibility & contrast

On white

2.08

#42C4D5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.09

#42C4D5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4D5

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C4D5	#FFFFFF	#000000	##000000
##42C4D5	1.00	2.08	10.09	10.09
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.09	21.00	1.00	1.00
##000000	10.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3BDD6

Deuteranopia (green-blind)

#9EADD5

Tritanopia (blue-blind)

#00CDC9

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42c4d5;
/* rgb */ color: rgb(66, 196, 213);
/* oklch */ color: oklch(75.7% 0.113 207.6);

Tailwind

colors: {
  custom: {
    50: '#8ad6e2',
    500: '#42c4d5',
    950: '#000000',
  },
}

SCSS

$custom: #42c4d5;
$custom-light: #8ad6e2;
$custom-dark: #000000;

JSON

{
  "hex": "#42c4d5",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 213
  },
  "hsl": {
    "h": 186.939,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.75738,
    "c": 0.11261,
    "h": 207.6
  },
  "luminance": 0.45442
}

Semantic roles & 50–950 ramp

primary

#42C4D5

secondary

#D8A29A

accent

#5441E7

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C4D5

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

Preview Lab → · Contrast checker → · Palette generator →