#66731F#66731F

#66731F is a mid, moderate yellow. Relative luminance 0.152; OKLCH L 52.8% C 0.108 H 117.9°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#66731F
RGB	rgb(102, 115, 31)
HSL	hsl(69, 58%, 29%)
HSV	hsv(69, 73%, 45%)
CMYK	cmyk(11.3%, 0%, 73%, 54.9%)
CIE-LAB	lab(45.89, -16.92, 42.50)
CIE-LCH	lch(45.89, 45.74, 111.71°)
OKLab	oklab(52.77% -0.0503 0.095)
OKLCH	oklch(52.77% 0.108 117.9)
XYZ	xyz(11.8578, 15.1853, 3.6024)
Luminance	0.1519 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66731F #2C1F73

analogous

#73561F #66731F #3C731F

triadic

#66731F #1F6673 #731F66

tetradic

#66731F #1F7356 #2C1F73 #731F3C

square

#66731F #1F7356 #2C1F73 #731F3C

split-complementary

#66731F #1F3C73 #561F73

monochromatic

#151806 #3B4312 #66731F #91A32C #B6CC41

Accessibility & contrast

On white

5.20

#66731F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#66731F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66731F

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66731F	#FFFFFF	#000000	##FFFFFF
##66731F	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B6C11

Deuteranopia (green-blind)

#7A6D26

Tritanopia (blue-blind)

#6C6C62

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #66731f;
/* rgb */ color: rgb(102, 115, 31);
/* oklch */ color: oklch(52.8% 0.108 117.9);

Tailwind

colors: {
  custom: {
    50: '#949b61',
    500: '#66731f',
    950: '#000000',
  },
}

SCSS

$custom: #66731f;
$custom-light: #949b61;
$custom-dark: #000000;

JSON

{
  "hex": "#66731f",
  "rgb": {
    "r": 102,
    "g": 115,
    "b": 31
  },
  "hsl": {
    "h": 69.286,
    "s": 57.534,
    "l": 28.627
  },
  "oklch": {
    "l": 0.52771,
    "c": 0.10754,
    "h": 117.9
  },
  "luminance": 0.15185
}

Semantic roles & 50–950 ramp

primary

#66731F

secondary

#5647A7

accent

#47E15F

background

#F9F9F5

surface

#F2F2EA

border

#CCCCC6

text

#0D0E05

muted

#7E7E79

Preview Lab

Preview with #66731F

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

Preview Lab → · Contrast checker → · Palette generator →