#64681B#64681B

#64681B is a mid, moderate yellow. Relative luminance 0.127; OKLCH L 49.8% C 0.098 H 112.4°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#64681B
RGB	rgb(100, 104, 27)
HSL	hsl(63, 59%, 26%)
HSV	hsv(63, 74%, 41%)
CMYK	cmyk(3.8%, 0%, 74%, 59.2%)
CIE-LAB	lab(42.29, -12.08, 40.52)
CIE-LCH	lch(42.29, 42.28, 106.60°)
OKLab	oklab(49.84% -0.0371 0.0902)
OKLCH	oklch(49.84% 0.098 112.4)
XYZ	xyz(10.4040, 12.6893, 2.9379)
Luminance	0.1269 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64681B #1F1B68

analogous

#68451B #64681B #3D681B

triadic

#64681B #1B6468 #681B64

tetradic

#64681B #1B6845 #1F1B68 #681B3D

square

#64681B #1B6845 #1F1B68 #681B3D

split-complementary

#64681B #1B3D68 #451B68

monochromatic

#171806 #35370E #64681B #939928 #C1C934

Accessibility & contrast

On white

5.94

#64681B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#64681B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64681B

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64681B	#FFFFFF	#000000	##FFFFFF
##64681B	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70630E

Deuteranopia (green-blind)

#706521

Tritanopia (blue-blind)

#6B6159

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #64681b;
/* rgb */ color: rgb(100, 104, 27);
/* oklch */ color: oklch(49.8% 0.098 112.4);

Tailwind

colors: {
  custom: {
    50: '#93935d',
    500: '#64681b',
    950: '#000000',
  },
}

SCSS

$custom: #64681b;
$custom-light: #93935d;
$custom-dark: #000000;

JSON

{
  "hex": "#64681b",
  "rgb": {
    "r": 100,
    "g": 104,
    "b": 27
  },
  "hsl": {
    "h": 63.117,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.49836,
    "c": 0.09754,
    "h": 112.4
  },
  "luminance": 0.12689
}

Semantic roles & 50–950 ramp

primary

#64681B

secondary

#46429D

accent

#46E24E

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #64681B

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

Preview Lab → · Contrast checker → · Palette generator →