#51751D#51751D

#51751D is a mid, vivid yellow-green. Relative luminance 0.146; OKLCH L 51.7% C 0.122 H 129.4°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#51751D
RGB	rgb(81, 117, 29)
HSL	hsl(85, 60%, 29%)
HSV	hsv(85, 75%, 46%)
CMYK	cmyk(30.8%, 0%, 75.2%, 54.1%)
CIE-LAB	lab(45.03, -27.19, 41.95)
CIE-LCH	lch(45.03, 49.99, 122.95°)
OKLab	oklab(51.69% -0.0774 0.0941)
OKLCH	oklch(51.69% 0.122 129.4)
XYZ	xyz(9.9764, 14.5603, 3.4470)
Luminance	0.1456 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51751D #411D75

analogous

#756D1D #51751D #25751D

triadic

#51751D #1D5175 #751D51

tetradic

#51751D #1D756D #411D75 #751D25

square

#51751D #1D756D #411D75 #751D25

split-complementary

#51751D #1D2575 #6D1D75

monochromatic

#111906 #2F4411 #51751D #73A629 #93CF3D

Accessibility & contrast

On white

5.37

#51751D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#51751D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51751D

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51751D	#FFFFFF	#000000	##FFFFFF
##51751D	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B6C0D

Deuteranopia (green-blind)

#766A25

Tritanopia (blue-blind)

#537064

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #51751d;
/* rgb */ color: rgb(81, 117, 29);
/* oklch */ color: oklch(51.7% 0.122 129.4);

Tailwind

colors: {
  custom: {
    50: '#859d5f',
    500: '#51751d',
    950: '#000000',
  },
}

SCSS

$custom: #51751d;
$custom-light: #859d5f;
$custom-dark: #000000;

JSON

{
  "hex": "#51751d",
  "rgb": {
    "r": 81,
    "g": 117,
    "b": 29
  },
  "hsl": {
    "h": 84.545,
    "s": 60.274,
    "l": 28.627
  },
  "oklch": {
    "l": 0.51689,
    "c": 0.12182,
    "h": 129.4
  },
  "luminance": 0.14561
}

Semantic roles & 50–950 ramp

primary

#51751D

secondary

#6E45A9

accent

#44E385

background

#F8F9F5

surface

#F0F2EA

border

#CBCCC6

text

#0B0E05

muted

#7C7E79

Preview Lab

Preview with #51751D

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

Preview Lab → · Contrast checker → · Palette generator →