#478A18#478A18

#478A18 is a mid, vivid yellow-green. Relative luminance 0.196; OKLCH L 56.7% C 0.157 H 136.0°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#478A18
RGB	rgb(71, 138, 24)
HSL	hsl(95, 70%, 32%)
HSV	hsv(95, 83%, 54%)
CMYK	cmyk(48.6%, 0%, 82.6%, 45.9%)
CIE-LAB	lab(51.36, -40.55, 49.55)
CIE-LCH	lch(51.36, 64.03, 129.30°)
OKLab	oklab(56.72% -0.1132 0.1094)
OKLCH	oklch(56.72% 0.157 136)
XYZ	xyz(11.8516, 19.5817, 4.0191)
Luminance	0.1958 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#478A18 #5B188A

analogous

#808A18 #478A18 #188A22

triadic

#478A18 #18478A #8A1847

tetradic

#478A18 #18808A #5B188A #8A2218

square

#478A18 #18808A #5B188A #8A2218

split-complementary

#478A18 #22188A #8A1880

monochromatic

#112206 #2C560F #478A18 #62BE21 #80DE3F

Accessibility & contrast

On white

4.27

#478A18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#478A18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #478A18

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##478A18	#FFFFFF	#000000	##000000
##478A18	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E00

Deuteranopia (green-blind)

#867826

Tritanopia (blue-blind)

#448575

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #478a18;
/* rgb */ color: rgb(71, 138, 24);
/* oklch */ color: oklch(56.7% 0.157 136.0);

Tailwind

colors: {
  custom: {
    50: '#81ad60',
    500: '#478a18',
    950: '#000000',
  },
}

SCSS

$custom: #478a18;
$custom-light: #81ad60;
$custom-dark: #000000;

JSON

{
  "hex": "#478a18",
  "rgb": {
    "r": 71,
    "g": 138,
    "b": 24
  },
  "hsl": {
    "h": 95.263,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.56723,
    "c": 0.15741,
    "h": 136
  },
  "luminance": 0.19582
}

Semantic roles & 50–950 ramp

primary

#478A18

secondary

#8A40BD

accent

#3BEDA4

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #478A18

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

Preview Lab → · Contrast checker → · Palette generator →