#42C180#42C180

#42C180 is a light, vivid green. Relative luminance 0.409; OKLCH L 72.5% C 0.147 H 157.0°. Best body text is #000000 at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#42C180
RGB	rgb(66, 193, 128)
HSL	hsl(149, 51%, 51%)
HSV	hsv(149, 66%, 76%)
CMYK	cmyk(65.8%, 0%, 33.7%, 24.3%)
CIE-LAB	lab(70.07, -49.75, 22.79)
CIE-LCH	lch(70.07, 54.72, 155.39°)
OKLab	oklab(72.48% -0.1351 0.0575)
OKLCH	oklch(72.48% 0.147 157)
XYZ	xyz(25.2107, 40.8540, 26.9749)
Luminance	0.4086 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C180 #C14283

analogous

#43C142 #42C180 #42C1BF

triadic

#42C180 #8042C1 #C18042

tetradic

#42C180 #4243C1 #C14283 #C1BF42

square

#42C180 #4243C1 #C14283 #C1BF42

split-complementary

#42C180 #BF42C1 #C14243

monochromatic

#226743 #319562 #42C180 #70D09F #9EDFBE

Accessibility & contrast

On white

2.29

#42C180 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.17

#42C180 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C180

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C180	#FFFFFF	#000000	##000000
##42C180	1.00	2.29	9.17	9.17
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.17	21.00	1.00	1.00
##000000	9.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0B27C

Deuteranopia (green-blind)

#AFA784

Tritanopia (blue-blind)

#00BFB0

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #42c180;
/* rgb */ color: rgb(66, 193, 128);
/* oklch */ color: oklch(72.5% 0.147 157.0);

Tailwind

colors: {
  custom: {
    50: '#85d5a5',
    500: '#42c180',
    950: '#000000',
  },
}

SCSS

$custom: #42c180;
$custom-light: #85d5a5;
$custom-dark: #000000;

JSON

{
  "hex": "#42c180",
  "rgb": {
    "r": 66,
    "g": 193,
    "b": 128
  },
  "hsl": {
    "h": 149.291,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.72482,
    "c": 0.14678,
    "h": 157
  },
  "luminance": 0.40857
}

Semantic roles & 50–950 ramp

primary

#42C180

secondary

#CC93B0

accent

#4E96DA

background

#F8FDFA

surface

#F0FAF4

border

#CBD3CE

text

#0C140F

muted

#7D837F

Preview Lab

Preview with #42C180

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

Preview Lab → · Contrast checker → · Palette generator →