#42C5D7#42C5D7

#42C5D7 is a light, moderate teal. Relative luminance 0.460; OKLCH L 76.1% C 0.113 H 208.2°. Best body text is #000000 at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#42C5D7
RGB	rgb(66, 197, 215)
HSL	hsl(187, 65%, 55%)
HSV	hsv(187, 69%, 84%)
CMYK	cmyk(69.3%, 8.4%, 0%, 15.7%)
CIE-LAB	lab(73.54, -29.38, -19.33)
CIE-LCH	lch(73.54, 35.16, 213.34°)
OKLab	oklab(76.05% -0.1 -0.0537)
OKLCH	oklch(76.05% 0.113 208.2)
XYZ	xyz(34.4735, 45.9931, 71.3375)
Luminance	0.4600 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C5D7 #D75442

analogous

#42D79E #42C5D7 #427BD7

triadic

#42C5D7 #D742C5 #C5D742

tetradic

#42C5D7 #9E42D7 #D75442 #7BD742

square

#42C5D7 #9E42D7 #D75442 #7BD742

split-complementary

#42C5D7 #D7427B #D79E42

monochromatic

#1C7683 #26A4B5 #42C5D7 #75D5E2 #A7E4EC

Accessibility & contrast

On white

2.06

#42C5D7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.20

#42C5D7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C5D7

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C5D7	#FFFFFF	#000000	##000000
##42C5D7	1.00	2.06	10.20	10.20
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.20	21.00	1.00	1.00
##000000	10.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4BED8

Deuteranopia (green-blind)

#9FAED7

Tritanopia (blue-blind)

#00CECA

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #42c5d7;
/* rgb */ color: rgb(66, 197, 215);
/* oklch */ color: oklch(76.1% 0.113 208.2);

Tailwind

colors: {
  custom: {
    50: '#8ad7e3',
    500: '#42c5d7',
    950: '#000000',
  },
}

SCSS

$custom: #42c5d7;
$custom-light: #8ad7e3;
$custom-dark: #000000;

JSON

{
  "hex": "#42c5d7",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 215
  },
  "hsl": {
    "h": 187.248,
    "s": 65.066,
    "l": 55.098
  },
  "oklch": {
    "l": 0.76052,
    "c": 0.11347,
    "h": 208.2
  },
  "luminance": 0.45997
}

Semantic roles & 50–950 ramp

primary

#42C5D7

secondary

#DAA39B

accent

#5440E8

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C5D7

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

Preview Lab → · Contrast checker → · Palette generator →