#42B78B#42B78B

#42B78B is a light, vivid teal. Relative luminance 0.369; OKLCH L 70.2% C 0.124 H 164.6°. Best body text is #000000 at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#42B78B
RGB	rgb(66, 183, 139)
HSL	hsl(157, 47%, 49%)
HSV	hsv(157, 64%, 72%)
CMYK	cmyk(63.9%, 0%, 24%, 28.2%)
CIE-LAB	lab(67.19, -43.27, 12.88)
CIE-LCH	lch(67.19, 45.15, 163.42°)
OKLab	oklab(70.19% -0.1195 0.0329)
OKLCH	oklch(70.19% 0.124 164.6)
XYZ	xyz(23.8380, 36.8868, 30.2847)
Luminance	0.3689 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B78B #B7426E

analogous

#42B751 #42B78B #42A9B7

triadic

#42B78B #8B42B7 #B78B42

tetradic

#42B78B #5142B7 #B7426E #A9B742

square

#42B78B #5142B7 #B7426E #A9B742

split-complementary

#42B78B #B742A9 #B75142

monochromatic

#225D47 #328A69 #42B78B #6CCAA7 #99DAC2

Accessibility & contrast

On white

2.51

#42B78B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.38

#42B78B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B78B

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B78B	#FFFFFF	#000000	##000000
##42B78B	1.00	2.51	8.38	8.38
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.38	21.00	1.00	1.00
##000000	8.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4AA89

Deuteranopia (green-blind)

#A39F8E

Tritanopia (blue-blind)

#00B7AB

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #42b78b;
/* rgb */ color: rgb(66, 183, 139);
/* oklch */ color: oklch(70.2% 0.124 164.6);

Tailwind

colors: {
  custom: {
    50: '#83cdad',
    500: '#42b78b',
    950: '#000000',
  },
}

SCSS

$custom: #42b78b;
$custom-light: #83cdad;
$custom-dark: #000000;

JSON

{
  "hex": "#42b78b",
  "rgb": {
    "r": 66,
    "g": 183,
    "b": 139
  },
  "hsl": {
    "h": 157.436,
    "s": 46.988,
    "l": 48.824
  },
  "oklch": {
    "l": 0.70193,
    "c": 0.12392,
    "h": 164.6
  },
  "luminance": 0.36889
}

Semantic roles & 50–950 ramp

primary

#42B78B

secondary

#C68FA4

accent

#5183D7

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0C1310

muted

#7D827F

Preview Lab

Preview with #42B78B

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

Preview Lab → · Contrast checker → · Palette generator →