#42C555#42C555

#42C555 is a light, vivid green. Relative luminance 0.417; OKLCH L 72.8% C 0.191 H 145.7°. Best body text is #000000 at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#42C555
RGB	rgb(66, 197, 85)
HSL	hsl(129, 53%, 52%)
HSV	hsv(129, 66%, 77%)
CMYK	cmyk(66.5%, 0%, 56.9%, 22.7%)
CIE-LAB	lab(70.69, -58.31, 45.28)
CIE-LCH	lch(70.69, 73.83, 142.16°)
OKLab	oklab(72.79% -0.1575 0.1076)
OKLCH	oklch(72.79% 0.191 145.7)
XYZ	xyz(23.8511, 41.7441, 15.3930)
Luminance	0.4175 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C555 #C542B2

analogous

#71C542 #42C555 #42C597

triadic

#42C555 #5542C5 #C55542

tetradic

#42C555 #4271C5 #C542B2 #C59742

square

#42C555 #4271C5 #C542B2 #C59742

split-complementary

#42C555 #9742C5 #C54271

monochromatic

#216C2C #2F9A3F #42C555 #71D37F #A0E2A9

Accessibility & contrast

On white

2.25

#42C555 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.35

#42C555 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C555

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C555	#FFFFFF	#000000	##000000
##42C555	1.00	2.25	9.35	9.35
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.35	21.00	1.00	1.00
##000000	9.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B44A

Deuteranopia (green-blind)

#B8A95E

Tritanopia (blue-blind)

#18C0AC

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #42c555;
/* rgb */ color: rgb(66, 197, 85);
/* oklch */ color: oklch(72.8% 0.191 145.7);

Tailwind

colors: {
  custom: {
    50: '#86d888',
    500: '#42c555',
    950: '#000000',
  },
}

SCSS

$custom: #42c555;
$custom-light: #86d888;
$custom-dark: #000000;

JSON

{
  "hex": "#42c555",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 85
  },
  "hsl": {
    "h": 128.702,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.72788,
    "c": 0.19076,
    "h": 145.7
  },
  "luminance": 0.41747
}

Semantic roles & 50–950 ramp

primary

#42C555

secondary

#CE95C6

accent

#4BC7DC

background

#F8FDF8

surface

#F0FAF0

border

#CBD3CB

text

#0C150C

muted

#7D837D

Preview Lab

Preview with #42C555

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

Preview Lab → · Contrast checker → · Palette generator →