#665F1B#665F1B

#665F1B is a mid, moderate yellow. Relative luminance 0.111; OKLCH L 47.8% C 0.087 H 103.4°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#665F1B
RGB	rgb(102, 95, 27)
HSL	hsl(54, 58%, 25%)
HSV	hsv(54, 74%, 40%)
CMYK	cmyk(0%, 6.9%, 73.5%, 60%)
CIE-LAB	lab(39.73, -6.00, 38.04)
CIE-LCH	lch(39.73, 38.51, 98.96°)
OKLab	oklab(47.84% -0.0202 0.0849)
OKLCH	oklch(47.84% 0.087 103.4)
XYZ	xyz(9.7699, 11.0887, 2.6624)
Luminance	0.1109 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665F1B #1B2266

analogous

#66391B #665F1B #47661B

triadic

#665F1B #1B665F #5F1B66

tetradic

#665F1B #1B6639 #1B2266 #661B47

square

#665F1B #1B6639 #1B2266 #661B47

split-complementary

#665F1B #1B4766 #391B66

monochromatic

#181706 #36320E #665F1B #968C28 #C7B935

Accessibility & contrast

On white

6.53

#665F1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#665F1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665F1B

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665F1B	#FFFFFF	#000000	##FFFFFF
##665F1B	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685C11

Deuteranopia (green-blind)

#6A5F1F

Tritanopia (blue-blind)

#6E5851

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #665f1b;
/* rgb */ color: rgb(102, 95, 27);
/* oklch */ color: oklch(47.8% 0.087 103.4);

Tailwind

colors: {
  custom: {
    50: '#948c5c',
    500: '#665f1b',
    950: '#000000',
  },
}

SCSS

$custom: #665f1b;
$custom-light: #948c5c;
$custom-dark: #000000;

JSON

{
  "hex": "#665f1b",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 27
  },
  "hsl": {
    "h": 54.4,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.47837,
    "c": 0.08726,
    "h": 103.4
  },
  "luminance": 0.11088
}

Semantic roles & 50–950 ramp

primary

#665F1B

secondary

#414A9B

accent

#55E146

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0C04

muted

#7E7D79

Preview Lab

Preview with #665F1B

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

Preview Lab → · Contrast checker → · Palette generator →