#645827#645827

#645827 is a mid, moderate yellow. Relative luminance 0.098; OKLCH L 46.1% C 0.070 H 95.8°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#645827
RGB	rgb(100, 88, 39)
HSL	hsl(48, 44%, 27%)
HSV	hsv(48, 61%, 39%)
CMYK	cmyk(0%, 12%, 61%, 60.8%)
CIE-LAB	lab(37.55, -1.96, 29.73)
CIE-LCH	lch(37.55, 29.79, 93.78°)
OKLab	oklab(46.1% -0.007 0.0693)
OKLCH	oklch(46.1% 0.07 95.8)
XYZ	xyz(9.1118, 9.8357, 3.3376)
Luminance	0.0984 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645827 #273364

analogous

#643A27 #645827 #526427

triadic

#645827 #276458 #582764

tetradic

#645827 #27643A #273364 #642752

square

#645827 #27643A #273364 #642752

split-complementary

#645827 #275264 #3A2764

monochromatic

#161309 #383116 #645827 #907F38 #B9A44C

Accessibility & contrast

On white

7.08

#645827 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#645827 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645827

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645827	#FFFFFF	#000000	##FFFFFF
##645827	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605622

Deuteranopia (green-blind)

#645A29

Tritanopia (blue-blind)

#6C524D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #645827;
/* rgb */ color: rgb(100, 88, 39);
/* oklch */ color: oklch(46.1% 0.070 95.8);

Tailwind

colors: {
  custom: {
    50: '#928663',
    500: '#645827',
    950: '#000000',
  },
}

SCSS

$custom: #645827;
$custom-light: #928663;
$custom-dark: #000000;

JSON

{
  "hex": "#645827",
  "rgb": {
    "r": 100,
    "g": 88,
    "b": 39
  },
  "hsl": {
    "h": 48.197,
    "s": 43.885,
    "l": 27.255
  },
  "oklch": {
    "l": 0.46095,
    "c": 0.06962,
    "h": 95.8
  },
  "luminance": 0.09835
}

Semantic roles & 50–950 ramp

primary

#645827

secondary

#505E97

accent

#6DD454

background

#F9F8F5

surface

#F1EFEA

border

#CBCAC6

text

#0D0B05

muted

#7E7C79

Preview Lab

Preview with #645827

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

Preview Lab → · Contrast checker → · Palette generator →