#66731D#66731D

#66731D is a mid, moderate yellow. Relative luminance 0.152; OKLCH L 52.8% C 0.109 H 117.8°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#66731D
RGB	rgb(102, 115, 29)
HSL	hsl(69, 60%, 28%)
HSV	hsv(69, 75%, 45%)
CMYK	cmyk(11.3%, 0%, 74.8%, 54.9%)
CIE-LAB	lab(45.87, -17.04, 43.28)
CIE-LCH	lch(45.87, 46.51, 111.48°)
OKLab	oklab(52.76% -0.0509 0.0963)
OKLCH	oklch(52.76% 0.109 117.8)
XYZ	xyz(11.8323, 15.1751, 3.4679)
Luminance	0.1517 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66731D #2A1D73

analogous

#73551D #66731D #3B731D

triadic

#66731D #1D6673 #731D66

tetradic

#66731D #1D7355 #2A1D73 #731D3B

square

#66731D #1D7355 #2A1D73 #731D3B

split-complementary

#66731D #1D3B73 #551D73

monochromatic

#161806 #3B4211 #66731D #91A429 #B8CE3C

Accessibility & contrast

On white

5.20

#66731D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#66731D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66731D

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66731D	#FFFFFF	#000000	##FFFFFF
##66731D	1.00	5.20	4.03	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B6C0D

Deuteranopia (green-blind)

#7A6D24

Tritanopia (blue-blind)

#6D6C62

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #66731d;
/* rgb */ color: rgb(102, 115, 29);
/* oklch */ color: oklch(52.8% 0.109 117.8);

Tailwind

colors: {
  custom: {
    50: '#949b60',
    500: '#66731d',
    950: '#000000',
  },
}

SCSS

$custom: #66731d;
$custom-light: #949b60;
$custom-dark: #000000;

JSON

{
  "hex": "#66731d",
  "rgb": {
    "r": 102,
    "g": 115,
    "b": 29
  },
  "hsl": {
    "h": 69.07,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.52756,
    "c": 0.10892,
    "h": 117.8
  },
  "luminance": 0.15175
}

Semantic roles & 50–950 ramp

primary

#66731D

secondary

#5445A7

accent

#45E35D

background

#F9F9F5

surface

#F2F2EA

border

#CCCCC6

text

#0D0E05

muted

#7E7E79

Preview Lab

Preview with #66731D

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

Preview Lab → · Contrast checker → · Palette generator →