#645910#645910

#645910 is a mid, moderate yellow. Relative luminance 0.099; OKLCH L 46.1% C 0.089 H 100.1°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#645910
RGB	rgb(100, 89, 16)
HSL	hsl(52, 72%, 23%)
HSV	hsv(52, 84%, 39%)
CMYK	cmyk(0%, 11%, 84%, 60.8%)
CIE-LAB	lab(37.65, -4.00, 40.35)
CIE-LCH	lch(37.65, 40.55, 95.67°)
OKLab	oklab(46.11% -0.0157 0.0876)
OKLCH	oklch(46.11% 0.089 100.1)
XYZ	xyz(8.9219, 9.8919, 1.9295)
Luminance	0.0989 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645910 #101B64

analogous

#642F10 #645910 #456410

triadic

#645910 #106459 #591064

tetradic

#645910 #10642F #101B64 #641045

square

#645910 #10642F #101B64 #641045

split-complementary

#645910 #104564 #2F1064

monochromatic

#1A1704 #2F2A08 #645910 #998818 #CEB721

Accessibility & contrast

On white

7.05

#645910 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#645910 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645910

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645910	#FFFFFF	#000000	##FFFFFF
##645910	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)

#635600

Deuteranopia (green-blind)

#665A16

Tritanopia (blue-blind)

#6C524B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #645910;
/* rgb */ color: rgb(100, 89, 16);
/* oklch */ color: oklch(46.1% 0.089 100.1);

Tailwind

colors: {
  custom: {
    50: '#938756',
    500: '#645910',
    950: '#000000',
  },
}

SCSS

$custom: #645910;
$custom-light: #938756;
$custom-dark: #000000;

JSON

{
  "hex": "#645910",
  "rgb": {
    "r": 100,
    "g": 89,
    "b": 16
  },
  "hsl": {
    "h": 52.143,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.46113,
    "c": 0.08897,
    "h": 100.1
  },
  "luminance": 0.09891
}

Semantic roles & 50–950 ramp

primary

#645910

secondary

#33419D

accent

#51EF39

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0E0B03

muted

#7E7C78

Preview Lab

Preview with #645910

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

Preview Lab → · Contrast checker → · Palette generator →