#645710#645710

#645710 is a mid, moderate yellow. Relative luminance 0.096; OKLCH L 45.6% C 0.087 H 98.1°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#645710
RGB	rgb(100, 87, 16)
HSL	hsl(51, 72%, 23%)
HSV	hsv(51, 84%, 39%)
CMYK	cmyk(0%, 13%, 84%, 60.8%)
CIE-LAB	lab(37.05, -2.82, 39.82)
CIE-LCH	lch(37.05, 39.92, 94.05°)
OKLab	oklab(45.64% -0.0123 0.0864)
OKLCH	oklch(45.64% 0.087 98.1)
XYZ	xyz(8.7577, 9.5636, 1.8748)
Luminance	0.0956 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645710 #101D64

analogous

#642D10 #645710 #476410

triadic

#645710 #106457 #571064

tetradic

#645710 #10642D #101D64 #641047

square

#645710 #10642D #101D64 #641047

split-complementary

#645710 #104764 #2D1064

monochromatic

#1A1704 #2F2908 #645710 #998518 #CEB321

Accessibility & contrast

On white

7.21

#645710 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#645710 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645710

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645710	#FFFFFF	#000000	##FFFFFF
##645710	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)

#615501

Deuteranopia (green-blind)

#645915

Tritanopia (blue-blind)

#6D504A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #645710;
/* rgb */ color: rgb(100, 87, 16);
/* oklch */ color: oklch(45.6% 0.087 98.1);

Tailwind

colors: {
  custom: {
    50: '#938655',
    500: '#645710',
    950: '#000000',
  },
}

SCSS

$custom: #645710;
$custom-light: #938655;
$custom-dark: #000000;

JSON

{
  "hex": "#645710",
  "rgb": {
    "r": 100,
    "g": 87,
    "b": 16
  },
  "hsl": {
    "h": 50.714,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.45637,
    "c": 0.0873,
    "h": 98.1
  },
  "luminance": 0.09563
}

Semantic roles & 50–950 ramp

primary

#645710

secondary

#33449D

accent

#55EF39

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0E0B03

muted

#7E7C78

Preview Lab

Preview with #645710

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

Preview Lab → · Contrast checker → · Palette generator →