#645F16#645F16

#645F16 is a mid, moderate yellow. Relative luminance 0.110; OKLCH L 47.6% C 0.091 H 105.4°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#645F16
RGB	rgb(100, 95, 22)
HSL	hsl(56, 64%, 24%)
HSV	hsv(56, 78%, 39%)
CMYK	cmyk(0%, 5%, 78%, 60.8%)
CIE-LAB	lab(39.50, -7.24, 39.83)
CIE-LCH	lch(39.50, 40.48, 100.30°)
OKLab	oklab(47.6% -0.0241 0.0878)
OKLCH	oklch(47.6% 0.091 105.4)
XYZ	xyz(9.4930, 10.9520, 2.3728)
Luminance	0.1095 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645F16 #161B64

analogous

#643816 #645F16 #426416

triadic

#645F16 #16645F #5F1664

tetradic

#645F16 #166438 #161B64 #641642

square

#645F16 #166438 #161B64 #641642

split-complementary

#645F16 #164264 #381664

monochromatic

#191806 #322F0B #645F16 #968F21 #C8BE2C

Accessibility & contrast

On white

6.58

#645F16 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#645F16 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645F16

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645F16	#FFFFFF	#000000	##FFFFFF
##645F16	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685B08

Deuteranopia (green-blind)

#6A5E1B

Tritanopia (blue-blind)

#6C5851

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #645f16;
/* rgb */ color: rgb(100, 95, 22);
/* oklch */ color: oklch(47.6% 0.091 105.4);

Tailwind

colors: {
  custom: {
    50: '#938c59',
    500: '#645f16',
    950: '#000000',
  },
}

SCSS

$custom: #645f16;
$custom-light: #938c59;
$custom-dark: #000000;

JSON

{
  "hex": "#645f16",
  "rgb": {
    "r": 100,
    "g": 95,
    "b": 22
  },
  "hsl": {
    "h": 56.154,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.47596,
    "c": 0.09101,
    "h": 105.4
  },
  "luminance": 0.10952
}

Semantic roles & 50–950 ramp

primary

#645F16

secondary

#3B419B

accent

#4CE741

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0C04

muted

#7E7D79

Preview Lab

Preview with #645F16

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

Preview Lab → · Contrast checker → · Palette generator →