#555C18#555C18

#555C18 is a mid, moderate yellow. Relative luminance 0.097; OKLCH L 45.4% C 0.090 H 115.1°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#555C18
RGB	rgb(85, 92, 24)
HSL	hsl(66, 59%, 23%)
HSV	hsv(66, 74%, 36%)
CMYK	cmyk(7.6%, 0%, 73.9%, 63.9%)
CIE-LAB	lab(37.21, -12.64, 36.30)
CIE-LCH	lch(37.21, 38.44, 109.20°)
OKLab	oklab(45.44% -0.0381 0.0813)
OKLCH	oklch(45.44% 0.09 115.1)
XYZ	xyz(7.7385, 9.6517, 2.3193)
Luminance	0.0965 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555C18 #1F185C

analogous

#5C4118 #555C18 #335C18

triadic

#555C18 #18555C #5C1855

tetradic

#555C18 #185C41 #1F185C #5C1833

square

#555C18 #185C41 #1F185C #5C1833

split-complementary

#555C18 #18335C #41185C

monochromatic

#161806 #282B0B #555C18 #828D25 #AFBD31

Accessibility & contrast

On white

7.17

#555C18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#555C18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #555C18

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555C18	#FFFFFF	#000000	##FFFFFF
##555C18	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63570D

Deuteranopia (green-blind)

#62581D

Tritanopia (blue-blind)

#5B564F

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #555c18;
/* rgb */ color: rgb(85, 92, 24);
/* oklch */ color: oklch(45.4% 0.090 115.1);

Tailwind

colors: {
  custom: {
    50: '#878a5a',
    500: '#555c18',
    950: '#000000',
  },
}

SCSS

$custom: #555c18;
$custom-light: #878a5a;
$custom-dark: #000000;

JSON

{
  "hex": "#555c18",
  "rgb": {
    "r": 85,
    "g": 92,
    "b": 24
  },
  "hsl": {
    "h": 66.176,
    "s": 58.621,
    "l": 22.745
  },
  "oklch": {
    "l": 0.45436,
    "c": 0.08974,
    "h": 115.1
  },
  "luminance": 0.09652
}

Semantic roles & 50–950 ramp

primary

#555C18

secondary

#463D93

accent

#46E256

background

#F8F8F5

surface

#F0F0E9

border

#CBCBC5

text

#0B0B04

muted

#7C7C79

Preview Lab

Preview with #555C18

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

Preview Lab → · Contrast checker → · Palette generator →