#478C1B#478C1B

#478C1B is a mid, vivid yellow-green. Relative luminance 0.202; OKLCH L 57.3% C 0.158 H 136.4°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#478C1B
RGB	rgb(71, 140, 27)
HSL	hsl(97, 68%, 33%)
HSV	hsv(97, 81%, 55%)
CMYK	cmyk(49.3%, 0%, 80.7%, 45.1%)
CIE-LAB	lab(52.03, -41.21, 49.25)
CIE-LCH	lch(52.03, 64.21, 129.92°)
OKLab	oklab(57.28% -0.1147 0.1092)
OKLCH	oklch(57.28% 0.158 136.4)
XYZ	xyz(12.1741, 20.1741, 4.2892)
Luminance	0.2018 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#478C1B #601B8C

analogous

#808C1B #478C1B #1B8C27

triadic

#478C1B #1B478C #8C1B47

tetradic

#478C1B #1B808C #601B8C #8C271B

square

#478C1B #1B808C #601B8C #8C271B

split-complementary

#478C1B #271B8C #8C1B80

monochromatic

#132507 #2D5911 #478C1B #61BF25 #80DB46

Accessibility & contrast

On white

4.17

#478C1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#478C1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #478C1B

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##478C1B	#FFFFFF	#000000	##000000
##478C1B	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918000

Deuteranopia (green-blind)

#887A28

Tritanopia (blue-blind)

#448777

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #478c1b;
/* rgb */ color: rgb(71, 140, 27);
/* oklch */ color: oklch(57.3% 0.158 136.4);

Tailwind

colors: {
  custom: {
    50: '#81ae62',
    500: '#478c1b',
    950: '#000000',
  },
}

SCSS

$custom: #478c1b;
$custom-light: #81ae62;
$custom-dark: #000000;

JSON

{
  "hex": "#478c1b",
  "rgb": {
    "r": 71,
    "g": 140,
    "b": 27
  },
  "hsl": {
    "h": 96.637,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.5728,
    "c": 0.15843,
    "h": 136.4
  },
  "luminance": 0.20175
}

Semantic roles & 50–950 ramp

primary

#478C1B

secondary

#8F46BD

accent

#3DEBA7

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1005

muted

#7C7F7A

Preview Lab

Preview with #478C1B

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

Preview Lab → · Contrast checker → · Palette generator →