#665E1B#665E1B

#665E1B is a mid, moderate yellow. Relative luminance 0.109; OKLCH L 47.6% C 0.086 H 102.4°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#665E1B
RGB	rgb(102, 94, 27)
HSL	hsl(54, 58%, 25%)
HSV	hsv(54, 74%, 40%)
CMYK	cmyk(0%, 7.8%, 73.5%, 60%)
CIE-LAB	lab(39.43, -5.41, 37.73)
CIE-LCH	lch(39.43, 38.12, 98.16°)
OKLab	oklab(47.6% -0.0185 0.0843)
OKLCH	oklch(47.6% 0.086 102.4)
XYZ	xyz(9.6804, 10.9097, 2.6326)
Luminance	0.1091 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665E1B #1B2366

analogous

#66381B #665E1B #48661B

triadic

#665E1B #1B665E #5E1B66

tetradic

#665E1B #1B6638 #1B2366 #661B48

square

#665E1B #1B6638 #1B2366 #661B48

split-complementary

#665E1B #1B4866 #381B66

monochromatic

#181606 #36310E #665E1B #968B28 #C7B735

Accessibility & contrast

On white

6.60

#665E1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#665E1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665E1B

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665E1B	#FFFFFF	#000000	##FFFFFF
##665E1B	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675B11

Deuteranopia (green-blind)

#695E1F

Tritanopia (blue-blind)

#6E5751

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #665e1b;
/* rgb */ color: rgb(102, 94, 27);
/* oklch */ color: oklch(47.6% 0.086 102.4);

Tailwind

colors: {
  custom: {
    50: '#948b5c',
    500: '#665e1b',
    950: '#000000',
  },
}

SCSS

$custom: #665e1b;
$custom-light: #948b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#665e1b",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 27
  },
  "hsl": {
    "h": 53.6,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.47598,
    "c": 0.08627,
    "h": 102.4
  },
  "luminance": 0.10909
}

Semantic roles & 50–950 ramp

primary

#665E1B

secondary

#414B9B

accent

#57E146

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #665E1B

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

Preview Lab → · Contrast checker → · Palette generator →