#42C678#42C678

#42C678 is a light, vivid green. Relative luminance 0.429; OKLCH L 73.6% C 0.161 H 153.4°. Best body text is #000000 at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#42C678
RGB	rgb(66, 198, 120)
HSL	hsl(145, 54%, 52%)
HSV	hsv(145, 67%, 78%)
CMYK	cmyk(66.7%, 0%, 39.4%, 22.4%)
CIE-LAB	lab(71.49, -53.24, 28.89)
CIE-LCH	lch(71.49, 60.57, 151.51°)
OKLab	oklab(73.6% -0.1438 0.0719)
OKLCH	oklch(73.6% 0.161 153.4)
XYZ	xyz(25.8288, 42.8997, 24.6849)
Luminance	0.4290 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C678 #C64290

analogous

#4EC642 #42C678 #42C6BA

triadic

#42C678 #7842C6 #C67842

tetradic

#42C678 #424EC6 #C64290 #C6BA42

square

#42C678 #424EC6 #C64290 #C6BA42

split-complementary

#42C678 #BA42C6 #C6424E

monochromatic

#216D40 #2F9C5C #42C678 #71D49A #A0E2BB

Accessibility & contrast

On white

2.19

#42C678 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.58

#42C678 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C678

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C678	#FFFFFF	#000000	##000000
##42C678	1.00	2.19	9.58	9.58
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.58	21.00	1.00	1.00
##000000	9.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B673

Deuteranopia (green-blind)

#B5AA7D

Tritanopia (blue-blind)

#00C4B2

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #42c678;
/* rgb */ color: rgb(66, 198, 120);
/* oklch */ color: oklch(73.6% 0.161 153.4);

Tailwind

colors: {
  custom: {
    50: '#85d89f',
    500: '#42c678',
    950: '#000000',
  },
}

SCSS

$custom: #42c678;
$custom-light: #85d89f;
$custom-dark: #000000;

JSON

{
  "hex": "#42c678",
  "rgb": {
    "r": 66,
    "g": 198,
    "b": 120
  },
  "hsl": {
    "h": 144.545,
    "s": 53.659,
    "l": 51.765
  },
  "oklch": {
    "l": 0.73598,
    "c": 0.1608,
    "h": 153.4
  },
  "luminance": 0.42902
}

Semantic roles & 50–950 ramp

primary

#42C678

secondary

#CF95B7

accent

#4BA1DD

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C150E

muted

#7D837E

Preview Lab

Preview with #42C678

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

Preview Lab → · Contrast checker → · Palette generator →