#51651B#51651B

#51651B is a mid, moderate yellow-green. Relative luminance 0.111; OKLCH L 47.5% C 0.101 H 123.4°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#51651B
RGB	rgb(81, 101, 27)
HSL	hsl(76, 58%, 25%)
HSV	hsv(76, 73%, 40%)
CMYK	cmyk(19.8%, 0%, 73.3%, 60.4%)
CIE-LAB	lab(39.81, -19.22, 37.53)
CIE-LCH	lch(39.81, 42.16, 117.11°)
OKLab	oklab(47.46% -0.0557 0.0845)
OKLCH	oklch(47.46% 0.101 123.4)
XYZ	xyz(8.2449, 11.1358, 2.7517)
Luminance	0.1114 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51651B #2F1B65

analogous

#65541B #51651B #2C651B

triadic

#51651B #1B5165 #651B51

tetradic

#51651B #1B6554 #2F1B65 #651B2C

square

#51651B #1B6554 #2F1B65 #651B2C

split-complementary

#51651B #1B2C65 #541B65

monochromatic

#131806 #2A350E #51651B #789528 #9EC635

Accessibility & contrast

On white

6.51

#51651B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#51651B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51651B

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51651B	#FFFFFF	#000000	##FFFFFF
##51651B	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B5E0F

Deuteranopia (green-blind)

#685E21

Tritanopia (blue-blind)

#556056

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #51651b;
/* rgb */ color: rgb(81, 101, 27);
/* oklch */ color: oklch(47.5% 0.101 123.4);

Tailwind

colors: {
  custom: {
    50: '#84915c',
    500: '#51651b',
    950: '#000000',
  },
}

SCSS

$custom: #51651b;
$custom-light: #84915c;
$custom-dark: #000000;

JSON

{
  "hex": "#51651b",
  "rgb": {
    "r": 81,
    "g": 101,
    "b": 27
  },
  "hsl": {
    "h": 76.216,
    "s": 57.813,
    "l": 25.098
  },
  "oklch": {
    "l": 0.47455,
    "c": 0.10121,
    "h": 123.4
  },
  "luminance": 0.11136
}

Semantic roles & 50–950 ramp

primary

#51651B

secondary

#59419A

accent

#47E170

background

#F8F8F5

surface

#EFF0E9

border

#CACBC5

text

#0B0C04

muted

#7C7D79

Preview Lab

Preview with #51651B

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

Preview Lab → · Contrast checker → · Palette generator →