#42C5D0#42C5D0

#42C5D0 is a light, moderate teal. Relative luminance 0.456; OKLCH L 75.8% C 0.112 H 203.2°. Best body text is #000000 at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#42C5D0
RGB	rgb(66, 197, 208)
HSL	hsl(185, 60%, 54%)
HSV	hsv(185, 68%, 82%)
CMYK	cmyk(68.3%, 5.3%, 0%, 18.4%)
CIE-LAB	lab(73.31, -31.45, -15.87)
CIE-LCH	lch(73.31, 35.23, 206.78°)
OKLab	oklab(75.79% -0.1028 -0.044)
OKLCH	oklch(75.79% 0.112 203.2)
XYZ	xyz(33.5932, 45.6410, 66.7014)
Luminance	0.4565 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C5D0 #D04D42

analogous

#42D094 #42C5D0 #427ED0

triadic

#42C5D0 #D042C5 #C5D042

tetradic

#42C5D0 #9442D0 #D04D42 #7ED042

square

#42C5D0 #9442D0 #D04D42 #7ED042

split-complementary

#42C5D0 #D0427E #D09442

monochromatic

#1E7279 #2AA0AA #42C5D0 #73D4DC #A4E3E8

Accessibility & contrast

On white

2.07

#42C5D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.13

#42C5D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C5D0

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C5D0	#FFFFFF	#000000	##000000
##42C5D0	1.00	2.07	10.13	10.13
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.13	21.00	1.00	1.00
##000000	10.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6BDD1

Deuteranopia (green-blind)

#A1AED1

Tritanopia (blue-blind)

#00CDC8

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42c5d0;
/* rgb */ color: rgb(66, 197, 208);
/* oklch */ color: oklch(75.8% 0.112 203.2);

Tailwind

colors: {
  custom: {
    50: '#89d7de',
    500: '#42c5d0',
    950: '#000000',
  },
}

SCSS

$custom: #42c5d0;
$custom-light: #89d7de;
$custom-dark: #000000;

JSON

{
  "hex": "#42c5d0",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 208
  },
  "hsl": {
    "h": 184.648,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.75791,
    "c": 0.11187,
    "h": 203.2
  },
  "luminance": 0.45645
}

Semantic roles & 50–950 ramp

primary

#42C5D0

secondary

#D59D99

accent

#5144E3

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C5D0

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

Preview Lab → · Contrast checker → · Palette generator →