#42A518#42A518

#42A518 is a light, vivid green. Relative luminance 0.281; OKLCH L 63.8% C 0.191 H 138.9°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#42A518
RGB	rgb(66, 165, 24)
HSL	hsl(102, 75%, 37%)
HSV	hsv(102, 85%, 65%)
CMYK	cmyk(60%, 0%, 85.5%, 35.3%)
CIE-LAB	lab(60.01, -52.32, 57.31)
CIE-LCH	lch(60.01, 77.60, 132.40°)
OKLab	oklab(63.8% -0.1444 0.1258)
OKLCH	oklch(63.8% 0.191 138.9)
XYZ	xyz(15.8661, 28.1330, 5.4581)
Luminance	0.2813 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A518 #7B18A5

analogous

#88A518 #42A518 #18A535

triadic

#42A518 #1842A5 #A51842

tetradic

#42A518 #1888A5 #7B18A5 #A53518

square

#42A518 #1888A5 #7B18A5 #A53518

split-complementary

#42A518 #3518A5 #A51888

monochromatic

#173A08 #2D7010 #42A518 #57DA20 #7EE652

Accessibility & contrast

On white

3.17

#42A518 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#42A518 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42A518

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A518	#FFFFFF	#000000	##000000
##42A518	1.00	3.17	6.63	6.63
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.63	21.00	1.00	1.00
##000000	6.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA9600

Deuteranopia (green-blind)

#9E8E2B

Tritanopia (blue-blind)

#379F8C

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #42a518;
/* rgb */ color: rgb(66, 165, 24);
/* oklch */ color: oklch(63.8% 0.191 138.9);

Tailwind

colors: {
  custom: {
    50: '#83c164',
    500: '#42a518',
    950: '#000000',
  },
}

SCSS

$custom: #42a518;
$custom-light: #83c164;
$custom-dark: #000000;

JSON

{
  "hex": "#42a518",
  "rgb": {
    "r": 66,
    "g": 165,
    "b": 24
  },
  "hsl": {
    "h": 102.128,
    "s": 74.603,
    "l": 37.059
  },
  "oklch": {
    "l": 0.63804,
    "c": 0.19148,
    "h": 138.9
  },
  "luminance": 0.28134
}

Semantic roles & 50–950 ramp

primary

#42A518

secondary

#A551C8

accent

#37F1BA

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #42A518

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

Preview Lab → · Contrast checker → · Palette generator →