#645611#645611

#645611 is a mid, moderate yellow. Relative luminance 0.094; OKLCH L 45.4% C 0.086 H 97.0°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#645611
RGB	rgb(100, 86, 17)
HSL	hsl(50, 71%, 23%)
HSV	hsv(50, 83%, 39%)
CMYK	cmyk(0%, 14%, 83%, 60.8%)
CIE-LAB	lab(36.75, -2.18, 39.19)
CIE-LCH	lch(36.75, 39.25, 93.19°)
OKLab	oklab(45.41% -0.0104 0.0853)
OKLCH	oklch(45.41% 0.086 97)
XYZ	xyz(8.6850, 9.4058, 1.8883)
Luminance	0.0940 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645611 #111F64

analogous

#642D11 #645611 #486411

triadic

#645611 #116456 #561164

tetradic

#645611 #11642D #111F64 #641148

square

#645611 #11642D #111F64 #641148

split-complementary

#645611 #114864 #2D1164

monochromatic

#1A1604 #302908 #645611 #98831A #CDB023

Accessibility & contrast

On white

7.29

#645611 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#645611 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645611

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645611	#FFFFFF	#000000	##FFFFFF
##645611	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605403

Deuteranopia (green-blind)

#635816

Tritanopia (blue-blind)

#6D4F49

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #645611;
/* rgb */ color: rgb(100, 86, 17);
/* oklch */ color: oklch(45.4% 0.086 97.0);

Tailwind

colors: {
  custom: {
    50: '#938556',
    500: '#645611',
    950: '#000000',
  },
}

SCSS

$custom: #645611;
$custom-light: #938556;
$custom-dark: #000000;

JSON

{
  "hex": "#645611",
  "rgb": {
    "r": 100,
    "g": 86,
    "b": 17
  },
  "hsl": {
    "h": 49.88,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.45406,
    "c": 0.08594,
    "h": 97
  },
  "luminance": 0.09405
}

Semantic roles & 50–950 ramp

primary

#645611

secondary

#35469C

accent

#58EE3A

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0E0B03

muted

#7E7C78

Preview Lab

Preview with #645611

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

Preview Lab → · Contrast checker → · Palette generator →