#645911#645911

#645911 is a mid, moderate yellow. Relative luminance 0.099; OKLCH L 46.1% C 0.088 H 100.1°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#645911
RGB	rgb(100, 89, 17)
HSL	hsl(52, 71%, 23%)
HSV	hsv(52, 83%, 39%)
CMYK	cmyk(0%, 11%, 83%, 60.8%)
CIE-LAB	lab(37.65, -3.96, 40.00)
CIE-LCH	lch(37.65, 40.20, 95.66°)
OKLab	oklab(46.12% -0.0154 0.0871)
OKLCH	oklch(46.12% 0.088 100.1)
XYZ	xyz(8.9295, 9.8950, 1.9698)
Luminance	0.0989 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645911 #111C64

analogous

#642F11 #645911 #456411

triadic

#645911 #116459 #591164

tetradic

#645911 #11642F #111C64 #641145

square

#645911 #11642F #111C64 #641145

split-complementary

#645911 #114564 #2F1164

monochromatic

#1A1704 #302A08 #645911 #98881A #CDB623

Accessibility & contrast

On white

7.05

#645911 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#645911 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645911

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645911	#FFFFFF	#000000	##FFFFFF
##645911	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625602

Deuteranopia (green-blind)

#665A16

Tritanopia (blue-blind)

#6C524C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #645911;
/* rgb */ color: rgb(100, 89, 17);
/* oklch */ color: oklch(46.1% 0.088 100.1);

Tailwind

colors: {
  custom: {
    50: '#938756',
    500: '#645911',
    950: '#000000',
  },
}

SCSS

$custom: #645911;
$custom-light: #938756;
$custom-dark: #000000;

JSON

{
  "hex": "#645911",
  "rgb": {
    "r": 100,
    "g": 89,
    "b": 17
  },
  "hsl": {
    "h": 52.048,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.46119,
    "c": 0.08841,
    "h": 100.1
  },
  "luminance": 0.09895
}

Semantic roles & 50–950 ramp

primary

#645911

secondary

#35429C

accent

#52EE3A

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B03

muted

#7E7C78

Preview Lab

Preview with #645911

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

Preview Lab → · Contrast checker → · Palette generator →