#645E13#645E13

#645E13 is a mid, moderate yellow. Relative luminance 0.108; OKLCH L 47.3% C 0.092 H 104.6°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#645E13
RGB	rgb(100, 94, 19)
HSL	hsl(56, 68%, 23%)
HSV	hsv(56, 81%, 39%)
CMYK	cmyk(0%, 6%, 81%, 60.8%)
CIE-LAB	lab(39.18, -6.80, 40.66)
CIE-LCH	lch(39.18, 41.23, 99.50°)
OKLab	oklab(47.33% -0.0232 0.0889)
OKLCH	oklch(47.33% 0.092 104.6)
XYZ	xyz(9.3762, 10.7621, 2.1994)
Luminance	0.1076 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645E13 #131964

analogous

#643513 #645E13 #416413

triadic

#645E13 #13645E #5E1364

tetradic

#645E13 #136435 #131964 #641341

square

#645E13 #136435 #131964 #641341

split-complementary

#645E13 #134164 #351364

monochromatic

#1A1805 #312E09 #645E13 #978E1D #CBBF27

Accessibility & contrast

On white

6.66

#645E13 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#645E13 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645E13

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645E13	#FFFFFF	#000000	##FFFFFF
##645E13	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675A03

Deuteranopia (green-blind)

#695E19

Tritanopia (blue-blind)

#6C5750

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #645e13;
/* rgb */ color: rgb(100, 94, 19);
/* oklch */ color: oklch(47.3% 0.092 104.6);

Tailwind

colors: {
  custom: {
    50: '#938b58',
    500: '#645e13',
    950: '#000000',
  },
}

SCSS

$custom: #645e13;
$custom-light: #938b58;
$custom-dark: #000000;

JSON

{
  "hex": "#645e13",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 19
  },
  "hsl": {
    "h": 55.556,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.47334,
    "c": 0.09188,
    "h": 104.6
  },
  "luminance": 0.10762
}

Semantic roles & 50–950 ramp

primary

#645E13

secondary

#373F9C

accent

#4AEB3D

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0B03

muted

#7E7C78

Preview Lab

Preview with #645E13

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

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