#478B18#478B18

#478B18 is a mid, vivid yellow-green. Relative luminance 0.199; OKLCH L 57.0% C 0.159 H 136.1°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#478B18
RGB	rgb(71, 139, 24)
HSL	hsl(95, 71%, 32%)
HSV	hsv(95, 83%, 55%)
CMYK	cmyk(48.9%, 0%, 82.7%, 45.5%)
CIE-LAB	lab(51.69, -40.96, 49.85)
CIE-LCH	lch(51.69, 64.52, 129.41°)
OKLab	oklab(56.99% -0.1143 0.11)
OKLCH	oklch(56.99% 0.159 136.1)
XYZ	xyz(11.9957, 19.8700, 4.0672)
Luminance	0.1987 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#478B18 #5C188B

analogous

#818B18 #478B18 #188B22

triadic

#478B18 #18478B #8B1847

tetradic

#478B18 #18818B #5C188B #8B2218

square

#478B18 #18818B #5C188B #8B2218

split-complementary

#478B18 #22188B #8B1881

monochromatic

#122306 #2C570F #478B18 #62BF21 #80DE3F

Accessibility & contrast

On white

4.22

#478B18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#478B18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #478B18

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##478B18	#FFFFFF	#000000	##000000
##478B18	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F00

Deuteranopia (green-blind)

#877926

Tritanopia (blue-blind)

#448676

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #478b18;
/* rgb */ color: rgb(71, 139, 24);
/* oklch */ color: oklch(57.0% 0.159 136.1);

Tailwind

colors: {
  custom: {
    50: '#81ad60',
    500: '#478b18',
    950: '#000000',
  },
}

SCSS

$custom: #478b18;
$custom-light: #81ad60;
$custom-dark: #000000;

JSON

{
  "hex": "#478b18",
  "rgb": {
    "r": 71,
    "g": 139,
    "b": 24
  },
  "hsl": {
    "h": 95.478,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.56993,
    "c": 0.15864,
    "h": 136.1
  },
  "luminance": 0.19871
}

Semantic roles & 50–950 ramp

primary

#478B18

secondary

#8B40BE

accent

#3AEDA4

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1005

muted

#7C7F7A

Preview Lab

Preview with #478B18

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

Preview Lab → · Contrast checker → · Palette generator →