#645C10#645C10

#645C10 is a mid, moderate yellow. Relative luminance 0.104; OKLCH L 46.8% C 0.092 H 103.0°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#645C10
RGB	rgb(100, 92, 16)
HSL	hsl(54, 72%, 23%)
HSV	hsv(54, 84%, 39%)
CMYK	cmyk(0%, 8%, 84%, 60.8%)
CIE-LAB	lab(38.55, -5.77, 41.16)
CIE-LCH	lch(38.55, 41.56, 97.97°)
OKLab	oklab(46.83% -0.0206 0.0893)
OKLCH	oklch(46.83% 0.092 103)
XYZ	xyz(9.1766, 10.4014, 2.0144)
Luminance	0.1040 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645C10 #101864

analogous

#643210 #645C10 #426410

triadic

#645C10 #10645C #5C1064

tetradic

#645C10 #106432 #101864 #641042

square

#645C10 #106432 #101864 #641042

split-complementary

#645C10 #104264 #321064

monochromatic

#1A1804 #2F2B08 #645C10 #998D18 #CEBD21

Accessibility & contrast

On white

6.82

#645C10 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#645C10 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645C10

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645C10	#FFFFFF	#000000	##FFFFFF
##645C10	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655900

Deuteranopia (green-blind)

#685C16

Tritanopia (blue-blind)

#6C554E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #645c10;
/* rgb */ color: rgb(100, 92, 16);
/* oklch */ color: oklch(46.8% 0.092 103.0);

Tailwind

colors: {
  custom: {
    50: '#938956',
    500: '#645c10',
    950: '#000000',
  },
}

SCSS

$custom: #645c10;
$custom-light: #938956;
$custom-dark: #000000;

JSON

{
  "hex": "#645c10",
  "rgb": {
    "r": 100,
    "g": 92,
    "b": 16
  },
  "hsl": {
    "h": 54.286,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.46832,
    "c": 0.09167,
    "h": 103
  },
  "luminance": 0.10401
}

Semantic roles & 50–950 ramp

primary

#645C10

secondary

#333D9D

accent

#4AEF39

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0B03

muted

#7E7C78

Preview Lab

Preview with #645C10

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

Preview Lab → · Contrast checker → · Palette generator →