#645C11#645C11

#645C11 is a mid, moderate yellow. Relative luminance 0.104; OKLCH L 46.8% C 0.091 H 102.9°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#645C11
RGB	rgb(100, 92, 17)
HSL	hsl(54, 71%, 23%)
HSV	hsv(54, 83%, 39%)
CMYK	cmyk(0%, 8%, 83%, 60.8%)
CIE-LAB	lab(38.56, -5.73, 40.82)
CIE-LCH	lch(38.56, 41.22, 97.98°)
OKLab	oklab(46.84% -0.0204 0.0888)
OKLCH	oklch(46.84% 0.091 102.9)
XYZ	xyz(9.1843, 10.4045, 2.0547)
Luminance	0.1040 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645C11 #111964

analogous

#643211 #645C11 #426411

triadic

#645C11 #11645C #5C1164

tetradic

#645C11 #116432 #111964 #641142

square

#645C11 #116432 #111964 #641142

split-complementary

#645C11 #114264 #321164

monochromatic

#1A1804 #302C08 #645C11 #988C1A #CDBC23

Accessibility & contrast

On white

6.82

#645C11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#645C11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645C11

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645C11	#FFFFFF	#000000	##FFFFFF
##645C11	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)

#655901

Deuteranopia (green-blind)

#685C17

Tritanopia (blue-blind)

#6C554E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #645c11;
/* rgb */ color: rgb(100, 92, 17);
/* oklch */ color: oklch(46.8% 0.091 102.9);

Tailwind

colors: {
  custom: {
    50: '#938957',
    500: '#645c11',
    950: '#000000',
  },
}

SCSS

$custom: #645c11;
$custom-light: #938957;
$custom-dark: #000000;

JSON

{
  "hex": "#645c11",
  "rgb": {
    "r": 100,
    "g": 92,
    "b": 17
  },
  "hsl": {
    "h": 54.217,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.46838,
    "c": 0.09111,
    "h": 102.9
  },
  "luminance": 0.10404
}

Semantic roles & 50–950 ramp

primary

#645C11

secondary

#353F9C

accent

#4BEE3A

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0B03

muted

#7E7C78

Preview Lab

Preview with #645C11

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

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