#42C7D5#42C7D5

#42C7D5 is a light, moderate teal. Relative luminance 0.468; OKLCH L 76.5% C 0.114 H 205.2°. Best body text is #000000 at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#42C7D5
RGB	rgb(66, 199, 213)
HSL	hsl(186, 64%, 55%)
HSV	hsv(186, 69%, 84%)
CMYK	cmyk(69%, 6.6%, 0%, 16.5%)
CIE-LAB	lab(74.06, -30.94, -17.45)
CIE-LCH	lch(74.06, 35.52, 209.42°)
OKLab	oklab(76.45% -0.1028 -0.0484)
OKLCH	oklch(76.45% 0.114 205.2)
XYZ	xyz(34.6752, 46.8052, 70.1447)
Luminance	0.4681 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C7D5 #D55042

analogous

#42D599 #42C7D5 #427ED5

triadic

#42C7D5 #D542C7 #C7D542

tetradic

#42C7D5 #9942D5 #D55042 #7ED542

square

#42C7D5 #9942D5 #D55042 #7ED542

split-complementary

#42C7D5 #D5427E #D59942

monochromatic

#1C7780 #28A5B2 #42C7D5 #74D6E0 #A6E5EB

Accessibility & contrast

On white

2.03

#42C7D5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.36

#42C7D5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C7D5

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C7D5	#FFFFFF	#000000	##000000
##42C7D5	1.00	2.03	10.36	10.36
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.36	21.00	1.00	1.00
##000000	10.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7BFD6

Deuteranopia (green-blind)

#A2AFD5

Tritanopia (blue-blind)

#00CFCB

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #42c7d5;
/* rgb */ color: rgb(66, 199, 213);
/* oklch */ color: oklch(76.5% 0.114 205.2);

Tailwind

colors: {
  custom: {
    50: '#8ad8e1',
    500: '#42c7d5',
    950: '#000000',
  },
}

SCSS

$custom: #42c7d5;
$custom-light: #8ad8e1;
$custom-dark: #000000;

JSON

{
  "hex": "#42c7d5",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 213
  },
  "hsl": {
    "h": 185.714,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.76453,
    "c": 0.1136,
    "h": 205.2
  },
  "luminance": 0.46809
}

Semantic roles & 50–950 ramp

primary

#42C7D5

secondary

#D8A09A

accent

#5141E7

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C7D5

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

Preview Lab → · Contrast checker → · Palette generator →