#42C4BC#42C4BC

#42C4BC is a light, moderate teal. Relative luminance 0.443; OKLCH L 74.9% C 0.112 H 189.2°. Best body text is #000000 at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#42C4BC
RGB	rgb(66, 196, 188)
HSL	hsl(176, 52%, 51%)
HSV	hsv(176, 66%, 77%)
CMYK	cmyk(66.3%, 0%, 4.1%, 23.1%)
CIE-LAB	lab(72.41, -36.66, -6.35)
CIE-LCH	lch(72.41, 37.21, 189.82°)
OKLab	oklab(74.86% -0.1104 -0.0178)
OKLCH	oklch(74.86% 0.112 189.2)
XYZ	xyz(31.0596, 44.2654, 54.4744)
Luminance	0.4427 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C4BC #C4424A

analogous

#42C47B #42C4BC #428BC4

triadic

#42C4BC #BC42C4 #C4BC42

tetradic

#42C4BC #7B42C4 #C4424A #8BC442

square

#42C4BC #7B42C4 #C4424A #8BC442

split-complementary

#42C4BC #C4428B #C47B42

monochromatic

#216A66 #309993 #42C4BC #71D3CD #9FE1DD

Accessibility & contrast

On white

2.13

#42C4BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.85

#42C4BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4BC

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C4BC	#FFFFFF	#000000	##000000
##42C4BC	1.00	2.13	9.85	9.85
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.85	21.00	1.00	1.00
##000000	9.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9BABC

Deuteranopia (green-blind)

#A6ACBD

Tritanopia (blue-blind)

#00C9C1

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #42c4bc;
/* rgb */ color: rgb(66, 196, 188);
/* oklch */ color: oklch(74.9% 0.112 189.2);

Tailwind

colors: {
  custom: {
    50: '#87d6d0',
    500: '#42c4bc',
    950: '#000000',
  },
}

SCSS

$custom: #42c4bc;
$custom-light: #87d6d0;
$custom-dark: #000000;

JSON

{
  "hex": "#42c4bc",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 188
  },
  "hsl": {
    "h": 176.308,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.74855,
    "c": 0.11184,
    "h": 189.2
  },
  "luminance": 0.44269
}

Semantic roles & 50–950 ramp

primary

#42C4BC

secondary

#CE9498

accent

#4C55DC

background

#F9FDFC

surface

#F1FAF9

border

#CBD3D2

text

#0D1413

muted

#7E8382

Preview Lab

Preview with #42C4BC

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

Preview Lab → · Contrast checker → · Palette generator →