#645F11#645F11

#645F11 is a mid, moderate yellow. Relative luminance 0.109; OKLCH L 47.6% C 0.094 H 105.6°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#645F11
RGB	rgb(100, 95, 17)
HSL	hsl(56, 71%, 23%)
HSV	hsv(56, 83%, 39%)
CMYK	cmyk(0%, 5%, 83%, 60.8%)
CIE-LAB	lab(39.47, -7.47, 41.64)
CIE-LCH	lch(39.47, 42.30, 100.17°)
OKLab	oklab(47.56% -0.0253 0.0906)
OKLCH	oklch(47.56% 0.094 105.6)
XYZ	xyz(9.4493, 10.9346, 2.1430)
Luminance	0.1093 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645F11 #111664

analogous

#643611 #645F11 #3F6411

triadic

#645F11 #11645F #5F1164

tetradic

#645F11 #116436 #111664 #64113F

square

#645F11 #116436 #111664 #64113F

split-complementary

#645F11 #113F64 #361164

monochromatic

#1A1904 #302D08 #645F11 #98911A #CDC223

Accessibility & contrast

On white

6.59

#645F11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#645F11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645F11

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645F11	#FFFFFF	#000000	##FFFFFF
##645F11	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685B00

Deuteranopia (green-blind)

#6A5E17

Tritanopia (blue-blind)

#6C5851

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #645f11;
/* rgb */ color: rgb(100, 95, 17);
/* oklch */ color: oklch(47.6% 0.094 105.6);

Tailwind

colors: {
  custom: {
    50: '#938c57',
    500: '#645f11',
    950: '#000000',
  },
}

SCSS

$custom: #645f11;
$custom-light: #938c57;
$custom-dark: #000000;

JSON

{
  "hex": "#645f11",
  "rgb": {
    "r": 100,
    "g": 95,
    "b": 17
  },
  "hsl": {
    "h": 56.386,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.47564,
    "c": 0.09402,
    "h": 105.6
  },
  "luminance": 0.10934
}

Semantic roles & 50–950 ramp

primary

#645F11

secondary

#353B9C

accent

#45EE3A

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0C03

muted

#7E7D78

Preview Lab

Preview with #645F11

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

Preview Lab → · Contrast checker → · Palette generator →