#51640F#51640F

#51640F is a mid, moderate yellow-green. Relative luminance 0.109; OKLCH L 47.1% C 0.107 H 122.2°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#51640F
RGB	rgb(81, 100, 15)
HSL	hsl(73, 74%, 23%)
HSV	hsv(73, 85%, 39%)
CMYK	cmyk(19%, 0%, 85%, 60.8%)
CIE-LAB	lab(39.41, -19.37, 41.63)
CIE-LCH	lch(39.41, 45.91, 114.95°)
OKLab	oklab(47.11% -0.0572 0.0909)
OKLCH	oklch(47.11% 0.107 122.2)
XYZ	xyz(8.0369, 10.8981, 2.1320)
Luminance	0.1090 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51640F #220F64

analogous

#644D0F #51640F #26640F

triadic

#51640F #0F5164 #640F51

tetradic

#51640F #0F644D #220F64 #640F26

square

#51640F #0F644D #220F64 #640F26

split-complementary

#51640F #0F2664 #4D0F64

monochromatic

#161B04 #262F07 #51640F #7C9917 #A7CE1F

Accessibility & contrast

On white

6.60

#51640F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#51640F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51640F

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51640F	#FFFFFF	#000000	##FFFFFF
##51640F	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B5D00

Deuteranopia (green-blind)

#685D18

Tritanopia (blue-blind)

#565E55

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #51640f;
/* rgb */ color: rgb(81, 100, 15);
/* oklch */ color: oklch(47.1% 0.107 122.2);

Tailwind

colors: {
  custom: {
    50: '#859056',
    500: '#51640f',
    950: '#000000',
  },
}

SCSS

$custom: #51640f;
$custom-light: #859056;
$custom-dark: #000000;

JSON

{
  "hex": "#51640f",
  "rgb": {
    "r": 81,
    "g": 100,
    "b": 15
  },
  "hsl": {
    "h": 73.412,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.47108,
    "c": 0.10745,
    "h": 122.2
  },
  "luminance": 0.10898
}

Semantic roles & 50–950 ramp

primary

#51640F

secondary

#4A329D

accent

#37F161

background

#F8F8F5

surface

#EFF0E9

border

#CACBC5

text

#0B0C03

muted

#7C7D78

Preview Lab

Preview with #51640F

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

Preview Lab → · Contrast checker → · Palette generator →