#42C5D2#42C5D2

#42C5D2 is a light, moderate teal. Relative luminance 0.457; OKLCH L 75.9% C 0.112 H 204.6°. Best body text is #000000 at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#42C5D2
RGB	rgb(66, 197, 210)
HSL	hsl(185, 62%, 54%)
HSV	hsv(185, 69%, 82%)
CMYK	cmyk(68.6%, 6.2%, 0%, 17.6%)
CIE-LAB	lab(73.38, -30.86, -16.86)
CIE-LCH	lch(73.38, 35.17, 208.65°)
OKLab	oklab(75.87% -0.102 -0.0468)
OKLCH	oklch(75.87% 0.112 204.6)
XYZ	xyz(33.8408, 45.7400, 68.0055)
Luminance	0.4574 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C5D2 #D24F42

analogous

#42D297 #42C5D2 #427DD2

triadic

#42C5D2 #D242C5 #C5D242

tetradic

#42C5D2 #9742D2 #D24F42 #7DD242

square

#42C5D2 #9742D2 #D24F42 #7DD242

split-complementary

#42C5D2 #D2427D #D29742

monochromatic

#1E747C #29A2AD #42C5D2 #73D4DE #A5E3EA

Accessibility & contrast

On white

2.07

#42C5D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.15

#42C5D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C5D2

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C5D2	#FFFFFF	#000000	##000000
##42C5D2	1.00	2.07	10.15	10.15
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.15	21.00	1.00	1.00
##000000	10.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5BDD3

Deuteranopia (green-blind)

#A0AED2

Tritanopia (blue-blind)

#00CDC9

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42c5d2;
/* rgb */ color: rgb(66, 197, 210);
/* oklch */ color: oklch(75.9% 0.112 204.6);

Tailwind

colors: {
  custom: {
    50: '#89d7df',
    500: '#42c5d2',
    950: '#000000',
  },
}

SCSS

$custom: #42c5d2;
$custom-light: #89d7df;
$custom-dark: #000000;

JSON

{
  "hex": "#42c5d2",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 210
  },
  "hsl": {
    "h": 185.417,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.75865,
    "c": 0.11223,
    "h": 204.6
  },
  "luminance": 0.45744
}

Semantic roles & 50–950 ramp

primary

#42C5D2

secondary

#D79F99

accent

#5243E5

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C5D2

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

Preview Lab → · Contrast checker → · Palette generator →