#64571F#64571F

#64571F is a mid, moderate yellow. Relative luminance 0.096; OKLCH L 45.8% C 0.076 H 96.1°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#64571F
RGB	rgb(100, 87, 31)
HSL	hsl(49, 53%, 26%)
HSV	hsv(49, 69%, 39%)
CMYK	cmyk(0%, 13%, 69%, 60.8%)
CIE-LAB	lab(37.16, -2.00, 33.45)
CIE-LCH	lch(37.16, 33.51, 93.41°)
OKLab	oklab(45.76% -0.0081 0.076)
OKLCH	oklch(45.76% 0.076 96.1)
XYZ	xyz(8.9115, 9.6251, 2.6845)
Luminance	0.0963 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64571F #1F2C64

analogous

#64341F #64571F #4E641F

triadic

#64571F #1F6457 #571F64

tetradic

#64571F #1F6434 #1F2C64 #641F4E

square

#64571F #1F6434 #1F2C64 #641F4E

split-complementary

#64571F #1F4E64 #341F64

monochromatic

#171407 #352E11 #64571F #93802D #C1A83C

Accessibility & contrast

On white

7.18

#64571F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#64571F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64571F

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64571F	#FFFFFF	#000000	##FFFFFF
##64571F	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605518

Deuteranopia (green-blind)

#635922

Tritanopia (blue-blind)

#6C504B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #64571f;
/* rgb */ color: rgb(100, 87, 31);
/* oklch */ color: oklch(45.8% 0.076 96.1);

Tailwind

colors: {
  custom: {
    50: '#93865e',
    500: '#64571f',
    950: '#000000',
  },
}

SCSS

$custom: #64571f;
$custom-light: #93865e;
$custom-dark: #000000;

JSON

{
  "hex": "#64571f",
  "rgb": {
    "r": 100,
    "g": 87,
    "b": 31
  },
  "hsl": {
    "h": 48.696,
    "s": 52.672,
    "l": 25.686
  },
  "oklch": {
    "l": 0.45763,
    "c": 0.07644,
    "h": 96.1
  },
  "luminance": 0.09625
}

Semantic roles & 50–950 ramp

primary

#64571F

secondary

#465698

accent

#67DC4C

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #64571F

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

Preview Lab → · Contrast checker → · Palette generator →