#42C178#42C178

#42C178 is a light, vivid green. Relative luminance 0.407; OKLCH L 72.3% C 0.154 H 154.2°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#42C178
RGB	rgb(66, 193, 120)
HSL	hsl(146, 51%, 51%)
HSV	hsv(146, 66%, 76%)
CMYK	cmyk(65.8%, 0%, 37.8%, 24.3%)
CIE-LAB	lab(69.93, -51.30, 26.83)
CIE-LCH	lch(69.93, 57.89, 152.39°)
OKLab	oklab(72.32% -0.1388 0.0671)
OKLCH	oklch(72.32% 0.154 154.2)
XYZ	xyz(24.7048, 40.6516, 24.3102)
Luminance	0.4065 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C178 #C1428B

analogous

#4BC142 #42C178 #42C1B8

triadic

#42C178 #7842C1 #C17842

tetradic

#42C178 #424BC1 #C1428B #C1B842

square

#42C178 #424BC1 #C1428B #C1B842

split-complementary

#42C178 #B842C1 #C1424B

monochromatic

#22673F #31955B #42C178 #70D099 #9EDFBA

Accessibility & contrast

On white

2.30

#42C178 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.13

#42C178 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C178

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C178	#FFFFFF	#000000	##000000
##42C178	1.00	2.30	9.13	9.13
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.13	21.00	1.00	1.00
##000000	9.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1B273

Deuteranopia (green-blind)

#B0A67D

Tritanopia (blue-blind)

#00BFAF

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #42c178;
/* rgb */ color: rgb(66, 193, 120);
/* oklch */ color: oklch(72.3% 0.154 154.2);

Tailwind

colors: {
  custom: {
    50: '#85d59f',
    500: '#42c178',
    950: '#000000',
  },
}

SCSS

$custom: #42c178;
$custom-light: #85d59f;
$custom-dark: #000000;

JSON

{
  "hex": "#42c178",
  "rgb": {
    "r": 66,
    "g": 193,
    "b": 120
  },
  "hsl": {
    "h": 145.512,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.72318,
    "c": 0.1541,
    "h": 154.2
  },
  "luminance": 0.40654
}

Semantic roles & 50–950 ramp

primary

#42C178

secondary

#CC93B4

accent

#4E9EDA

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C140E

muted

#7D837E

Preview Lab

Preview with #42C178

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

Preview Lab → · Contrast checker → · Palette generator →