#478C18#478C18

#478C18 is a mid, vivid yellow-green. Relative luminance 0.202; OKLCH L 57.3% C 0.160 H 136.2°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#478C18
RGB	rgb(71, 140, 24)
HSL	hsl(96, 71%, 32%)
HSV	hsv(96, 83%, 55%)
CMYK	cmyk(49.3%, 0%, 82.9%, 45.1%)
CIE-LAB	lab(52.02, -41.37, 50.15)
CIE-LCH	lch(52.02, 65.01, 129.52°)
OKLab	oklab(57.26% -0.1154 0.1107)
OKLCH	oklch(57.26% 0.16 136.2)
XYZ	xyz(12.1412, 20.1609, 4.1157)
Luminance	0.2016 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#478C18 #5D188C

analogous

#818C18 #478C18 #188C23

triadic

#478C18 #18478C #8C1847

tetradic

#478C18 #18818C #5D188C #8C2318

square

#478C18 #18818C #5D188C #8C2318

split-complementary

#478C18 #23188C #8C1881

monochromatic

#122406 #2D580F #478C18 #61C021 #80DE40

Accessibility & contrast

On white

4.17

#478C18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#478C18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #478C18

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##478C18	#FFFFFF	#000000	##000000
##478C18	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918000

Deuteranopia (green-blind)

#887A26

Tritanopia (blue-blind)

#448777

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #478c18;
/* rgb */ color: rgb(71, 140, 24);
/* oklch */ color: oklch(57.3% 0.160 136.2);

Tailwind

colors: {
  custom: {
    50: '#82ae60',
    500: '#478c18',
    950: '#000000',
  },
}

SCSS

$custom: #478c18;
$custom-light: #82ae60;
$custom-dark: #000000;

JSON

{
  "hex": "#478c18",
  "rgb": {
    "r": 71,
    "g": 140,
    "b": 24
  },
  "hsl": {
    "h": 95.69,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.57264,
    "c": 0.15987,
    "h": 136.2
  },
  "luminance": 0.20162
}

Semantic roles & 50–950 ramp

primary

#478C18

secondary

#8C41BF

accent

#3AEDA5

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1005

muted

#7C7F7A

Preview Lab

Preview with #478C18

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

Preview Lab → · Contrast checker → · Palette generator →