#645E24#645E24

#645E24 is a mid, moderate yellow. Relative luminance 0.108; OKLCH L 47.5% C 0.079 H 103.4°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#645E24
RGB	rgb(100, 94, 36)
HSL	hsl(54, 47%, 27%)
HSV	hsv(54, 64%, 39%)
CMYK	cmyk(0%, 6%, 64%, 60.8%)
CIE-LAB	lab(39.31, -5.76, 33.28)
CIE-LCH	lch(39.31, 33.78, 99.81°)
OKLab	oklab(47.49% -0.0182 0.0765)
OKLCH	oklch(47.49% 0.079 103.4)
XYZ	xyz(9.5770, 10.8425, 3.2571)
Luminance	0.1084 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645E24 #242A64

analogous

#643E24 #645E24 #4A6424

triadic

#645E24 #24645E #5E2464

tetradic

#645E24 #24643E #242A64 #64244A

square

#645E24 #24643E #242A64 #64244A

split-complementary

#645E24 #244A64 #3E2464

monochromatic

#171508 #373414 #645E24 #918834 #BCB146

Accessibility & contrast

On white

6.63

#645E24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#645E24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645E24

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645E24	#FFFFFF	#000000	##FFFFFF
##645E24	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665B1E

Deuteranopia (green-blind)

#685E27

Tritanopia (blue-blind)

#6B5852

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #645e24;
/* rgb */ color: rgb(100, 94, 36);
/* oklch */ color: oklch(47.5% 0.079 103.4);

Tailwind

colors: {
  custom: {
    50: '#928b61',
    500: '#645e24',
    950: '#000000',
  },
}

SCSS

$custom: #645e24;
$custom-light: #928b61;
$custom-dark: #000000;

JSON

{
  "hex": "#645e24",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 36
  },
  "hsl": {
    "h": 54.375,
    "s": 47.059,
    "l": 26.667
  },
  "oklch": {
    "l": 0.47486,
    "c": 0.07861,
    "h": 103.4
  },
  "luminance": 0.10842
}

Semantic roles & 50–950 ramp

primary

#645E24

secondary

#4C5397

accent

#5ED751

background

#F9F8F5

surface

#F1F0EA

border

#CBCBC6

text

#0D0C05

muted

#7E7D79

Preview Lab

Preview with #645E24

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

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