#665C1B#665C1B

#665C1B is a mid, moderate yellow. Relative luminance 0.106; OKLCH L 47.1% C 0.084 H 100.4°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#665C1B
RGB	rgb(102, 92, 27)
HSL	hsl(52, 58%, 25%)
HSV	hsv(52, 74%, 40%)
CMYK	cmyk(0%, 9.8%, 73.5%, 60%)
CIE-LAB	lab(38.83, -4.24, 37.13)
CIE-LCH	lch(38.83, 37.37, 96.52°)
OKLab	oklab(47.12% -0.0152 0.083)
OKLCH	oklch(47.12% 0.084 100.4)
XYZ	xyz(9.5049, 10.5586, 2.5741)
Luminance	0.1056 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665C1B #1B2566

analogous

#66361B #665C1B #4A661B

triadic

#665C1B #1B665C #5C1B66

tetradic

#665C1B #1B6636 #1B2566 #661B4A

square

#665C1B #1B6636 #1B2566 #661B4A

split-complementary

#665C1B #1B4A66 #361B66

monochromatic

#181606 #36300E #665C1B #968828 #C7B335

Accessibility & contrast

On white

6.75

#665C1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#665C1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665C1B

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665C1B	#FFFFFF	#000000	##FFFFFF
##665C1B	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655912

Deuteranopia (green-blind)

#685D1F

Tritanopia (blue-blind)

#6E554F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #665c1b;
/* rgb */ color: rgb(102, 92, 27);
/* oklch */ color: oklch(47.1% 0.084 100.4);

Tailwind

colors: {
  custom: {
    50: '#94895c',
    500: '#665c1b',
    950: '#000000',
  },
}

SCSS

$custom: #665c1b;
$custom-light: #94895c;
$custom-dark: #000000;

JSON

{
  "hex": "#665c1b",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 27
  },
  "hsl": {
    "h": 52,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.4712,
    "c": 0.08436,
    "h": 100.4
  },
  "luminance": 0.10558
}

Semantic roles & 50–950 ramp

primary

#665C1B

secondary

#414D9B

accent

#5BE146

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0E0B04

muted

#7E7C79

Preview Lab

Preview with #665C1B

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

Preview Lab → · Contrast checker → · Palette generator →