#645711#645711

#645711 is a mid, moderate yellow. Relative luminance 0.096; OKLCH L 45.6% C 0.087 H 98.0°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#645711
RGB	rgb(100, 87, 17)
HSL	hsl(51, 71%, 23%)
HSV	hsv(51, 83%, 39%)
CMYK	cmyk(0%, 13%, 83%, 60.8%)
CIE-LAB	lab(37.05, -2.78, 39.46)
CIE-LCH	lch(37.05, 39.56, 94.03°)
OKLab	oklab(45.64% -0.0121 0.0859)
OKLCH	oklch(45.64% 0.087 98)
XYZ	xyz(8.7654, 9.5666, 1.9151)
Luminance	0.0957 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645711 #111E64

analogous

#642D11 #645711 #476411

triadic

#645711 #116457 #571164

tetradic

#645711 #11642D #111E64 #641147

square

#645711 #11642D #111E64 #641147

split-complementary

#645711 #114764 #2D1164

monochromatic

#1A1704 #302908 #645711 #98851A #CDB223

Accessibility & contrast

On white

7.21

#645711 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#645711 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645711

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645711	#FFFFFF	#000000	##FFFFFF
##645711	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615503

Deuteranopia (green-blind)

#645916

Tritanopia (blue-blind)

#6D504A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #645711;
/* rgb */ color: rgb(100, 87, 17);
/* oklch */ color: oklch(45.6% 0.087 98.0);

Tailwind

colors: {
  custom: {
    50: '#938656',
    500: '#645711',
    950: '#000000',
  },
}

SCSS

$custom: #645711;
$custom-light: #938656;
$custom-dark: #000000;

JSON

{
  "hex": "#645711",
  "rgb": {
    "r": 100,
    "g": 87,
    "b": 17
  },
  "hsl": {
    "h": 50.602,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.45643,
    "c": 0.08674,
    "h": 98
  },
  "luminance": 0.09566
}

Semantic roles & 50–950 ramp

primary

#645711

secondary

#35459C

accent

#56EE3A

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0E0B03

muted

#7E7C78

Preview Lab

Preview with #645711

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

Preview Lab → · Contrast checker → · Palette generator →