#42C181#42C181

#42C181 is a light, vivid green. Relative luminance 0.409; OKLCH L 72.5% C 0.146 H 157.3°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#42C181
RGB	rgb(66, 193, 129)
HSL	hsl(150, 51%, 51%)
HSV	hsv(150, 66%, 76%)
CMYK	cmyk(65.8%, 0%, 33.2%, 24.3%)
CIE-LAB	lab(70.09, -49.55, 22.28)
CIE-LCH	lch(70.09, 54.33, 155.78°)
OKLab	oklab(72.5% -0.1346 0.0562)
OKLCH	oklch(72.5% 0.146 157.3)
XYZ	xyz(25.2768, 40.8805, 27.3232)
Luminance	0.4088 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C181 #C14282

analogous

#42C142 #42C181 #42C1C1

triadic

#42C181 #8142C1 #C18142

tetradic

#42C181 #4242C1 #C14282 #C1C142

square

#42C181 #4242C1 #C14282 #C1C142

split-complementary

#42C181 #C142C1 #C14242

monochromatic

#226744 #319563 #42C181 #70D0A0 #9EDFBE

Accessibility & contrast

On white

2.29

#42C181 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#42C181 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C181

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C181	#FFFFFF	#000000	##000000
##42C181	1.00	2.29	9.18	9.18
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.18	21.00	1.00	1.00
##000000	9.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0B27D

Deuteranopia (green-blind)

#AFA785

Tritanopia (blue-blind)

#00C0B0

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #42c181;
/* rgb */ color: rgb(66, 193, 129);
/* oklch */ color: oklch(72.5% 0.146 157.3);

Tailwind

colors: {
  custom: {
    50: '#85d5a6',
    500: '#42c181',
    950: '#000000',
  },
}

SCSS

$custom: #42c181;
$custom-light: #85d5a6;
$custom-dark: #000000;

JSON

{
  "hex": "#42c181",
  "rgb": {
    "r": 66,
    "g": 193,
    "b": 129
  },
  "hsl": {
    "h": 149.764,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.72503,
    "c": 0.14588,
    "h": 157.3
  },
  "luminance": 0.40883
}

Semantic roles & 50–950 ramp

primary

#42C181

secondary

#CC93B0

accent

#4E94DA

background

#F8FDFA

surface

#F0FAF4

border

#CBD3CE

text

#0C140F

muted

#7D837F

Preview Lab

Preview with #42C181

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

Preview Lab → · Contrast checker → · Palette generator →