#645720#645720

#645720 is a mid, moderate yellow. Relative luminance 0.096; OKLCH L 45.8% C 0.076 H 95.9°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#645720
RGB	rgb(100, 87, 32)
HSL	hsl(49, 52%, 26%)
HSV	hsv(49, 68%, 39%)
CMYK	cmyk(0%, 13%, 68%, 60.8%)
CIE-LAB	lab(37.17, -1.92, 32.96)
CIE-LCH	lch(37.17, 33.01, 93.34°)
OKLab	oklab(45.77% -0.0078 0.0751)
OKLCH	oklch(45.77% 0.076 95.9)
XYZ	xyz(8.9248, 9.6304, 2.7550)
Luminance	0.0963 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645720 #202D64

analogous

#643520 #645720 #4F6420

triadic

#645720 #206457 #572064

tetradic

#645720 #206435 #202D64 #64204F

square

#645720 #206435 #202D64 #64204F

split-complementary

#645720 #204F64 #352064

monochromatic

#171407 #362F11 #645720 #927F2F #C1A83E

Accessibility & contrast

On white

7.18

#645720 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#645720 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645720

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645720	#FFFFFF	#000000	##FFFFFF
##645720	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60551A

Deuteranopia (green-blind)

#635923

Tritanopia (blue-blind)

#6C504B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #645720;
/* rgb */ color: rgb(100, 87, 32);
/* oklch */ color: oklch(45.8% 0.076 95.9);

Tailwind

colors: {
  custom: {
    50: '#92865e',
    500: '#645720',
    950: '#000000',
  },
}

SCSS

$custom: #645720;
$custom-light: #92865e;
$custom-dark: #000000;

JSON

{
  "hex": "#645720",
  "rgb": {
    "r": 100,
    "g": 87,
    "b": 32
  },
  "hsl": {
    "h": 48.529,
    "s": 51.515,
    "l": 25.882
  },
  "oklch": {
    "l": 0.45774,
    "c": 0.07554,
    "h": 95.9
  },
  "luminance": 0.0963
}

Semantic roles & 50–950 ramp

primary

#645720

secondary

#485798

accent

#68DB4D

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #645720

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

Preview Lab → · Contrast checker → · Palette generator →