#42B780#42B780

#42B780 is a light, vivid teal. Relative luminance 0.366; OKLCH L 69.9% C 0.133 H 159.3°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#42B780
RGB	rgb(66, 183, 128)
HSL	hsl(152, 47%, 49%)
HSV	hsv(152, 64%, 72%)
CMYK	cmyk(63.9%, 0%, 30.1%, 28.2%)
CIE-LAB	lab(66.96, -45.68, 18.54)
CIE-LCH	lch(66.96, 49.30, 157.91°)
OKLab	oklab(69.93% -0.1247 0.0471)
OKLCH	oklch(69.93% 0.133 159.3)
XYZ	xyz(23.0744, 36.5813, 26.2628)
Luminance	0.3658 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B780 #B74279

analogous

#42B746 #42B780 #42B4B7

triadic

#42B780 #8042B7 #B78042

tetradic

#42B780 #4642B7 #B74279 #B4B742

square

#42B780 #4642B7 #B74279 #B4B742

split-complementary

#42B780 #B742B4 #B74642

monochromatic

#225D41 #328A61 #42B780 #6CCA9E #99DABC

Accessibility & contrast

On white

2.53

#42B780 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.32

#42B780 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B780

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B780	#FFFFFF	#000000	##000000
##42B780	1.00	2.53	8.32	8.32
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.32	21.00	1.00	1.00
##000000	8.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5AA7D

Deuteranopia (green-blind)

#A59E83

Tritanopia (blue-blind)

#00B6A8

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #42b780;
/* rgb */ color: rgb(66, 183, 128);
/* oklch */ color: oklch(69.9% 0.133 159.3);

Tailwind

colors: {
  custom: {
    50: '#83cda5',
    500: '#42b780',
    950: '#000000',
  },
}

SCSS

$custom: #42b780;
$custom-light: #83cda5;
$custom-dark: #000000;

JSON

{
  "hex": "#42b780",
  "rgb": {
    "r": 66,
    "g": 183,
    "b": 128
  },
  "hsl": {
    "h": 151.795,
    "s": 46.988,
    "l": 48.824
  },
  "oklch": {
    "l": 0.69928,
    "c": 0.13325,
    "h": 159.3
  },
  "luminance": 0.36584
}

Semantic roles & 50–950 ramp

primary

#42B780

secondary

#C68FA9

accent

#5190D7

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0C130F

muted

#7D827F

Preview Lab

Preview with #42B780

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

Preview Lab → · Contrast checker → · Palette generator →