#42A018#42A018

#42A018 is a light, vivid green. Relative luminance 0.264; OKLCH L 62.5% C 0.186 H 138.7°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#42A018
RGB	rgb(66, 160, 24)
HSL	hsl(101, 74%, 36%)
HSV	hsv(101, 85%, 63%)
CMYK	cmyk(58.8%, 0%, 85%, 37.3%)
CIE-LAB	lab(58.38, -50.52, 55.85)
CIE-LCH	lch(58.38, 75.31, 132.13°)
OKLab	oklab(62.46% -0.1395 0.1227)
OKLCH	oklch(62.46% 0.186 138.7)
XYZ	xyz(14.9819, 26.3645, 5.1633)
Luminance	0.2637 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A018 #7618A0

analogous

#86A018 #42A018 #18A032

triadic

#42A018 #1842A0 #A01842

tetradic

#42A018 #1886A0 #7618A0 #A03218

square

#42A018 #1886A0 #7618A0 #A03218

split-complementary

#42A018 #3218A0 #A01886

monochromatic

#163608 #2C6B10 #42A018 #58D520 #7CE44E

Accessibility & contrast

On white

3.35

#42A018 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#42A018 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42A018

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A018	#FFFFFF	#000000	##000000
##42A018	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#99892A

Tritanopia (blue-blind)

#389A88

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #42a018;
/* rgb */ color: rgb(66, 160, 24);
/* oklch */ color: oklch(62.5% 0.186 138.7);

Tailwind

colors: {
  custom: {
    50: '#82bd63',
    500: '#42a018',
    950: '#000000',
  },
}

SCSS

$custom: #42a018;
$custom-light: #82bd63;
$custom-dark: #000000;

JSON

{
  "hex": "#42a018",
  "rgb": {
    "r": 66,
    "g": 160,
    "b": 24
  },
  "hsl": {
    "h": 101.471,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.62459,
    "c": 0.18584,
    "h": 138.7
  },
  "luminance": 0.26366
}

Semantic roles & 50–950 ramp

primary

#42A018

secondary

#A14DC6

accent

#37F1B7

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #42A018

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

Preview Lab → · Contrast checker → · Palette generator →