#478B1B#478B1B

#478B1B is a mid, vivid yellow-green. Relative luminance 0.199; OKLCH L 57.0% C 0.157 H 136.3°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#478B1B
RGB	rgb(71, 139, 27)
HSL	hsl(96, 67%, 33%)
HSV	hsv(96, 81%, 55%)
CMYK	cmyk(48.9%, 0%, 80.6%, 45.5%)
CIE-LAB	lab(51.70, -40.80, 48.94)
CIE-LCH	lch(51.70, 63.71, 129.82°)
OKLab	oklab(57.01% -0.1136 0.1086)
OKLCH	oklch(57.01% 0.157 136.3)
XYZ	xyz(12.0287, 19.8832, 4.2407)
Luminance	0.1988 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#478B1B #5F1B8B

analogous

#7F8B1B #478B1B #1B8B27

triadic

#478B1B #1B478B #8B1B47

tetradic

#478B1B #1B7F8B #5F1B8B #8B271B

square

#478B1B #1B7F8B #5F1B8B #8B271B

split-complementary

#478B1B #271B8B #8B1B7F

monochromatic

#132507 #2D5811 #478B1B #61BE25 #80DB45

Accessibility & contrast

On white

4.22

#478B1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#478B1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #478B1B

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##478B1B	#FFFFFF	#000000	##000000
##478B1B	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F00

Deuteranopia (green-blind)

#877928

Tritanopia (blue-blind)

#448676

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #478b1b;
/* rgb */ color: rgb(71, 139, 27);
/* oklch */ color: oklch(57.0% 0.157 136.3);

Tailwind

colors: {
  custom: {
    50: '#81ad61',
    500: '#478b1b',
    950: '#000000',
  },
}

SCSS

$custom: #478b1b;
$custom-light: #81ad61;
$custom-dark: #000000;

JSON

{
  "hex": "#478b1b",
  "rgb": {
    "r": 71,
    "g": 139,
    "b": 27
  },
  "hsl": {
    "h": 96.429,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.5701,
    "c": 0.15719,
    "h": 136.3
  },
  "luminance": 0.19884
}

Semantic roles & 50–950 ramp

primary

#478B1B

secondary

#8E45BC

accent

#3DEAA6

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1005

muted

#7C7F7A

Preview Lab

Preview with #478B1B

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

Preview Lab → · Contrast checker → · Palette generator →