#5B640F#5B640F

#5B640F is a mid, moderate yellow. Relative luminance 0.114; OKLCH L 47.9% C 0.103 H 115.9°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#5B640F
RGB	rgb(91, 100, 15)
HSL	hsl(66, 74%, 23%)
HSV	hsv(66, 85%, 39%)
CMYK	cmyk(9%, 0%, 85%, 60.8%)
CIE-LAB	lab(40.20, -14.71, 42.63)
CIE-LCH	lch(40.20, 45.10, 109.03°)
OKLab	oklab(47.95% -0.045 0.0927)
OKLCH	oklch(47.95% 0.103 115.9)
XYZ	xyz(8.9580, 11.3731, 2.1752)
Luminance	0.1137 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B640F #180F64

analogous

#64430F #5B640F #30640F

triadic

#5B640F #0F5B64 #640F5B

tetradic

#5B640F #0F6443 #180F64 #640F30

square

#5B640F #0F6443 #180F64 #640F30

split-complementary

#5B640F #0F3064 #430F64

monochromatic

#181B04 #2B2F07 #5B640F #8B9917 #BCCE1F

Accessibility & contrast

On white

6.41

#5B640F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#5B640F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B640F

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B640F	#FFFFFF	#000000	##FFFFFF
##5B640F	1.00	6.41	3.27	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C5E00

Deuteranopia (green-blind)

#6B5F18

Tritanopia (blue-blind)

#615E55

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #5b640f;
/* rgb */ color: rgb(91, 100, 15);
/* oklch */ color: oklch(47.9% 0.103 115.9);

Tailwind

colors: {
  custom: {
    50: '#8c9057',
    500: '#5b640f',
    950: '#000000',
  },
}

SCSS

$custom: #5b640f;
$custom-light: #8c9057;
$custom-dark: #000000;

JSON

{
  "hex": "#5b640f",
  "rgb": {
    "r": 91,
    "g": 100,
    "b": 15
  },
  "hsl": {
    "h": 66.353,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.47947,
    "c": 0.10305,
    "h": 115.9
  },
  "luminance": 0.11373
}

Semantic roles & 50–950 ramp

primary

#5B640F

secondary

#3D329D

accent

#37F14B

background

#F8F8F5

surface

#F0F0E9

border

#CBCBC5

text

#0C0C03

muted

#7D7D78

Preview Lab

Preview with #5B640F

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

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