#51641C#51641C

#51641C is a mid, moderate yellow-green. Relative luminance 0.109; OKLCH L 47.2% C 0.099 H 123.0°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#51641C
RGB	rgb(81, 100, 28)
HSL	hsl(76, 56%, 25%)
HSV	hsv(76, 72%, 39%)
CMYK	cmyk(19%, 0%, 72%, 60.8%)
CIE-LAB	lab(39.49, -18.61, 36.77)
CIE-LCH	lch(39.49, 41.21, 116.85°)
OKLab	oklab(47.2% -0.054 0.0831)
OKLCH	oklch(47.2% 0.099 123)
XYZ	xyz(8.1602, 10.9475, 2.7816)
Luminance	0.1095 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51641C #2F1C64

analogous

#64531C #51641C #2D641C

triadic

#51641C #1C5164 #641C51

tetradic

#51641C #1C6453 #2F1C64 #641C2D

square

#51641C #1C6453 #2F1C64 #641C2D

split-complementary

#51641C #1C2D64 #531C64

monochromatic

#131807 #2A340F #51641C #789429 #9EC437

Accessibility & contrast

On white

6.58

#51641C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#51641C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51641C

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51641C	#FFFFFF	#000000	##FFFFFF
##51641C	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A5E11

Deuteranopia (green-blind)

#685D22

Tritanopia (blue-blind)

#555F56

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #51641c;
/* rgb */ color: rgb(81, 100, 28);
/* oklch */ color: oklch(47.2% 0.099 123.0);

Tailwind

colors: {
  custom: {
    50: '#84905d',
    500: '#51641c',
    950: '#000000',
  },
}

SCSS

$custom: #51641c;
$custom-light: #84905d;
$custom-dark: #000000;

JSON

{
  "hex": "#51641c",
  "rgb": {
    "r": 81,
    "g": 100,
    "b": 28
  },
  "hsl": {
    "h": 75.833,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.47202,
    "c": 0.09905,
    "h": 123
  },
  "luminance": 0.10948
}

Semantic roles & 50–950 ramp

primary

#51641C

secondary

#594399

accent

#48E070

background

#F8F8F5

surface

#EFF0E9

border

#CACBC5

text

#0B0C04

muted

#7C7D79

Preview Lab

Preview with #51641C

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

Preview Lab → · Contrast checker → · Palette generator →