#645816#645816

#645816 is a mid, moderate yellow. Relative luminance 0.097; OKLCH L 45.9% C 0.084 H 98.6°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#645816
RGB	rgb(100, 88, 22)
HSL	hsl(51, 64%, 24%)
HSV	hsv(51, 78%, 39%)
CMYK	cmyk(0%, 12%, 78%, 60.8%)
CIE-LAB	lab(37.38, -3.14, 37.80)
CIE-LCH	lch(37.38, 37.93, 94.74°)
OKLab	oklab(45.92% -0.0126 0.0835)
OKLCH	oklch(45.92% 0.084 98.6)
XYZ	xyz(8.8905, 9.7471, 2.1720)
Luminance	0.0975 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645816 #162264

analogous

#643116 #645816 #496416

triadic

#645816 #166458 #581664

tetradic

#645816 #166431 #162264 #641649

square

#645816 #166431 #162264 #641649

split-complementary

#645816 #164964 #311664

monochromatic

#191606 #322C0B #645816 #968421 #C8B02C

Accessibility & contrast

On white

7.12

#645816 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#645816 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645816

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645816	#FFFFFF	#000000	##FFFFFF
##645816	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61560B

Deuteranopia (green-blind)

#655A1A

Tritanopia (blue-blind)

#6C514B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #645816;
/* rgb */ color: rgb(100, 88, 22);
/* oklch */ color: oklch(45.9% 0.084 98.6);

Tailwind

colors: {
  custom: {
    50: '#938658',
    500: '#645816',
    950: '#000000',
  },
}

SCSS

$custom: #645816;
$custom-light: #938658;
$custom-dark: #000000;

JSON

{
  "hex": "#645816",
  "rgb": {
    "r": 100,
    "g": 88,
    "b": 22
  },
  "hsl": {
    "h": 50.769,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.45916,
    "c": 0.0844,
    "h": 98.6
  },
  "luminance": 0.09747
}

Semantic roles & 50–950 ramp

primary

#645816

secondary

#3B4A9B

accent

#5AE741

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #645816

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

Preview Lab → · Contrast checker → · Palette generator →