#645E20#645E20

#645E20 is a mid, moderate yellow. Relative luminance 0.108; OKLCH L 47.4% C 0.082 H 103.8°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#645E20
RGB	rgb(100, 94, 32)
HSL	hsl(55, 52%, 26%)
HSV	hsv(55, 68%, 39%)
CMYK	cmyk(0%, 6%, 68%, 60.8%)
CIE-LAB	lab(39.27, -6.05, 35.21)
CIE-LCH	lch(39.27, 35.73, 99.76°)
OKLab	oklab(47.44% -0.0196 0.0799)
OKLCH	oklch(47.44% 0.082 103.8)
XYZ	xyz(9.5193, 10.8194, 2.9531)
Luminance	0.1082 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645E20 #202664

analogous

#643C20 #645E20 #486420

triadic

#645E20 #20645E #5E2064

tetradic

#645E20 #20643C #202664 #642048

square

#645E20 #20643C #202664 #642048

split-complementary

#645E20 #204864 #3C2064

monochromatic

#171607 #363211 #645E20 #928A2F #C1B53E

Accessibility & contrast

On white

6.64

#645E20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#645E20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645E20

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645E20	#FFFFFF	#000000	##FFFFFF
##645E20	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675B18

Deuteranopia (green-blind)

#695E24

Tritanopia (blue-blind)

#6C5751

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #645e20;
/* rgb */ color: rgb(100, 94, 32);
/* oklch */ color: oklch(47.4% 0.082 103.8);

Tailwind

colors: {
  custom: {
    50: '#928b5f',
    500: '#645e20',
    950: '#000000',
  },
}

SCSS

$custom: #645e20;
$custom-light: #928b5f;
$custom-dark: #000000;

JSON

{
  "hex": "#645e20",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 32
  },
  "hsl": {
    "h": 54.706,
    "s": 51.515,
    "l": 25.882
  },
  "oklch": {
    "l": 0.47442,
    "c": 0.08228,
    "h": 103.8
  },
  "luminance": 0.10819
}

Semantic roles & 50–950 ramp

primary

#645E20

secondary

#484F98

accent

#59DB4D

background

#F9F8F5

surface

#F1F0E9

border

#CBCBC5

text

#0D0C05

muted

#7E7D79

Preview Lab

Preview with #645E20

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

Preview Lab → · Contrast checker → · Palette generator →