#42BBC9#42BBC9

#42BBC9 is a light, moderate teal. Relative luminance 0.409; OKLCH L 73.1% C 0.107 H 206.1°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#42BBC9
RGB	rgb(66, 187, 201)
HSL	hsl(186, 56%, 52%)
HSV	hsv(186, 67%, 79%)
CMYK	cmyk(67.2%, 7%, 0%, 21.2%)
CIE-LAB	lab(70.11, -28.66, -16.88)
CIE-LCH	lch(70.11, 33.27, 210.49°)
OKLab	oklab(73.13% -0.0957 -0.0468)
OKLCH	oklch(73.13% 0.107 206.1)
XYZ	xyz(30.5552, 40.9125, 61.5336)
Luminance	0.4092 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BBC9 #C95042

analogous

#42C993 #42BBC9 #4278C9

triadic

#42BBC9 #C942BB #BBC942

tetradic

#42BBC9 #9342C9 #C95042 #78C942

square

#42BBC9 #9342C9 #C95042 #78C942

split-complementary

#42BBC9 #C94278 #C99342

monochromatic

#206870 #2E94A0 #42BBC9 #72CCD7 #A1DDE4

Accessibility & contrast

On white

2.29

#42BBC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#42BBC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BBC9

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BBC9	#FFFFFF	#000000	##000000
##42BBC9	1.00	2.29	9.18	9.18
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.18	21.00	1.00	1.00
##000000	9.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB4CA

Deuteranopia (green-blind)

#98A5C9

Tritanopia (blue-blind)

#00C3BF

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #42bbc9;
/* rgb */ color: rgb(66, 187, 201);
/* oklch */ color: oklch(73.1% 0.107 206.1);

Tailwind

colors: {
  custom: {
    50: '#87d0d9',
    500: '#42bbc9',
    950: '#000000',
  },
}

SCSS

$custom: #42bbc9;
$custom-light: #87d0d9;
$custom-dark: #000000;

JSON

{
  "hex": "#42bbc9",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 201
  },
  "hsl": {
    "h": 186.222,
    "s": 55.556,
    "l": 52.353
  },
  "oklch": {
    "l": 0.73133,
    "c": 0.10654,
    "h": 206.1
  },
  "luminance": 0.40916
}

Semantic roles & 50–950 ramp

primary

#42BBC9

secondary

#D19C96

accent

#5849DF

background

#F9FCFD

surface

#F1F9FA

border

#CBD2D3

text

#0D1414

muted

#7E8283

Preview Lab

Preview with #42BBC9

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

Preview Lab → · Contrast checker → · Palette generator →