#556B17#556B17

#556B17 is a mid, moderate yellow-green. Relative luminance 0.125; OKLCH L 49.3% C 0.110 H 123.5°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#556B17
RGB	rgb(85, 107, 23)
HSL	hsl(76, 65%, 25%)
HSV	hsv(76, 79%, 42%)
CMYK	cmyk(20.6%, 0%, 78.5%, 58%)
CIE-LAB	lab(42.01, -20.83, 41.40)
CIE-LCH	lch(42.01, 46.34, 116.71°)
OKLab	oklab(49.3% -0.0608 0.0918)
OKLCH	oklch(49.3% 0.11 123.5)
XYZ	xyz(9.1588, 12.5085, 2.7423)
Luminance	0.1251 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556B17 #2D176B

analogous

#6B5717 #556B17 #2B6B17

triadic

#556B17 #17556B #6B1755

tetradic

#556B17 #176B57 #2D176B #6B172B

square

#556B17 #176B57 #2D176B #6B172B

split-complementary

#556B17 #172B6B #57176B

monochromatic

#141905 #2D390C #556B17 #7D9D22 #A5D02D

Accessibility & contrast

On white

6.00

#556B17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#556B17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556B17

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556B17	#FFFFFF	#000000	##FFFFFF
##556B17	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726405

Deuteranopia (green-blind)

#6F631F

Tritanopia (blue-blind)

#5A655B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #556b17;
/* rgb */ color: rgb(85, 107, 23);
/* oklch */ color: oklch(49.3% 0.110 123.5);

Tailwind

colors: {
  custom: {
    50: '#88955b',
    500: '#556b17',
    950: '#000000',
  },
}

SCSS

$custom: #556b17;
$custom-light: #88955b;
$custom-dark: #000000;

JSON

{
  "hex": "#556b17",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 23
  },
  "hsl": {
    "h": 75.714,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.49303,
    "c": 0.1101,
    "h": 123.5
  },
  "luminance": 0.12509
}

Semantic roles & 50–950 ramp

primary

#556B17

secondary

#573DA1

accent

#40E86C

background

#F8F9F5

surface

#F0F1E9

border

#CBCBC5

text

#0C0D04

muted

#7D7E79

Preview Lab

Preview with #556B17

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

Preview Lab → · Contrast checker → · Palette generator →