#556B1F#556B1F

#556B1F is a mid, moderate yellow-green. Relative luminance 0.125; OKLCH L 49.4% C 0.104 H 124.1°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#556B1F
RGB	rgb(85, 107, 31)
HSL	hsl(77, 55%, 27%)
HSV	hsv(77, 71%, 42%)
CMYK	cmyk(20.6%, 0%, 71%, 58%)
CIE-LAB	lab(42.07, -20.30, 38.21)
CIE-LCH	lch(42.07, 43.27, 117.99°)
OKLab	oklab(49.37% -0.0586 0.0865)
OKLCH	oklch(49.37% 0.104 124.1)
XYZ	xyz(9.2514, 12.5455, 3.2302)
Luminance	0.1255 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556B1F #351F6B

analogous

#6B5B1F #556B1F #2F6B1F

triadic

#556B1F #1F556B #6B1F55

tetradic

#556B1F #1F6B5B #351F6B #6B1F2F

square

#556B1F #1F6B5B #351F6B #6B1F2F

split-complementary

#556B1F #1F2F6B #5B1F6B

monochromatic

#131807 #2F3C11 #556B1F #7B9A2D #9FC73D

Accessibility & contrast

On white

5.98

#556B1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#556B1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556B1F

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556B1F	#FFFFFF	#000000	##FFFFFF
##556B1F	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#716414

Deuteranopia (green-blind)

#6E6325

Tritanopia (blue-blind)

#59665C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #556b1f;
/* rgb */ color: rgb(85, 107, 31);
/* oklch */ color: oklch(49.4% 0.104 124.1);

Tailwind

colors: {
  custom: {
    50: '#87955f',
    500: '#556b1f',
    950: '#000000',
  },
}

SCSS

$custom: #556b1f;
$custom-light: #87955f;
$custom-dark: #000000;

JSON

{
  "hex": "#556b1f",
  "rgb": {
    "r": 85,
    "g": 107,
    "b": 31
  },
  "hsl": {
    "h": 77.368,
    "s": 55.072,
    "l": 27.059
  },
  "oklch": {
    "l": 0.49367,
    "c": 0.10445,
    "h": 124.1
  },
  "luminance": 0.12546
}

Semantic roles & 50–950 ramp

primary

#556B1F

secondary

#60479F

accent

#49DE75

background

#F8F9F5

surface

#F0F1E9

border

#CBCBC5

text

#0B0D05

muted

#7C7E79

Preview Lab

Preview with #556B1F

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

Preview Lab → · Contrast checker → · Palette generator →