#42C7D9#42C7D9

#42C7D9 is a light, moderate teal. Relative luminance 0.470; OKLCH L 76.6% C 0.115 H 208.1°. Best body text is #000000 at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#42C7D9
RGB	rgb(66, 199, 217)
HSL	hsl(187, 67%, 55%)
HSV	hsv(187, 70%, 85%)
CMYK	cmyk(69.6%, 8.3%, 0%, 14.9%)
CIE-LAB	lab(74.20, -29.75, -19.42)
CIE-LCH	lch(74.20, 35.53, 213.13°)
OKLab	oklab(76.6% -0.1011 -0.0539)
OKLCH	oklch(76.6% 0.115 208.1)
XYZ	xyz(35.1892, 47.0108, 72.8516)
Luminance	0.4702 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C7D9 #D95442

analogous

#42D99F #42C7D9 #427CD9

triadic

#42C7D9 #D942C7 #C7D942

tetradic

#42C7D9 #9F42D9 #D95442 #7CD942

square

#42C7D9 #9F42D9 #D95442 #7CD942

split-complementary

#42C7D9 #D9427C #D99F42

monochromatic

#1B7986 #25A7B9 #42C7D9 #75D6E3 #A8E5ED

Accessibility & contrast

On white

2.02

#42C7D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.40

#42C7D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C7D9

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C7D9	#FFFFFF	#000000	##000000
##42C7D9	1.00	2.02	10.40	10.40
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.40	21.00	1.00	1.00
##000000	10.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C0DA

Deuteranopia (green-blind)

#A0B0D9

Tritanopia (blue-blind)

#00D0CC

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #42c7d9;
/* rgb */ color: rgb(66, 199, 217);
/* oklch */ color: oklch(76.6% 0.115 208.1);

Tailwind

colors: {
  custom: {
    50: '#8ad8e4',
    500: '#42c7d9',
    950: '#000000',
  },
}

SCSS

$custom: #42c7d9;
$custom-light: #8ad8e4;
$custom-dark: #000000;

JSON

{
  "hex": "#42c7d9",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 217
  },
  "hsl": {
    "h": 187.152,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.76603,
    "c": 0.11461,
    "h": 208.1
  },
  "luminance": 0.47015
}

Semantic roles & 50–950 ramp

primary

#42C7D9

secondary

#DBA39C

accent

#533EE9

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C7D9

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

Preview Lab → · Contrast checker → · Palette generator →