#51851A#51851A

#51851A is a mid, vivid yellow-green. Relative luminance 0.186; OKLCH L 55.9% C 0.145 H 132.7°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#51851A
RGB	rgb(81, 133, 26)
HSL	hsl(89, 67%, 31%)
HSV	hsv(89, 80%, 52%)
CMYK	cmyk(39.1%, 0%, 80.5%, 47.8%)
CIE-LAB	lab(50.21, -34.80, 48.03)
CIE-LCH	lch(50.21, 59.31, 125.93°)
OKLab	oklab(55.92% -0.0982 0.1063)
OKLCH	oklch(55.92% 0.145 132.7)
XYZ	xyz(11.9672, 18.5984, 3.9364)
Luminance	0.1860 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51851A #4E1A85

analogous

#85831A #51851A #1B851A

triadic

#51851A #1A5185 #851A51

tetradic

#51851A #1A8583 #4E1A85 #851A1B

square

#51851A #1A8583 #4E1A85 #851A1B

split-complementary

#51851A #1A1B85 #831A85

monochromatic

#131F06 #325210 #51851A #70B824 #8FDA40

Accessibility & contrast

On white

4.45

#51851A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#51851A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51851A

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51851A	#FFFFFF	#000000	##000000
##51851A	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7A00

Deuteranopia (green-blind)

#847626

Tritanopia (blue-blind)

#527F71

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #51851a;
/* rgb */ color: rgb(81, 133, 26);
/* oklch */ color: oklch(55.9% 0.145 132.7);

Tailwind

colors: {
  custom: {
    50: '#87a960',
    500: '#51851a',
    950: '#000000',
  },
}

SCSS

$custom: #51851a;
$custom-light: #87a960;
$custom-dark: #000000;

JSON

{
  "hex": "#51851a",
  "rgb": {
    "r": 81,
    "g": 133,
    "b": 26
  },
  "hsl": {
    "h": 89.159,
    "s": 67.296,
    "l": 31.176
  },
  "oklch": {
    "l": 0.55916,
    "c": 0.14477,
    "h": 132.7
  },
  "luminance": 0.18599
}

Semantic roles & 50–950 ramp

primary

#51851A

secondary

#7C42B8

accent

#3EEA91

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C1005

muted

#7D7F79

Preview Lab

Preview with #51851A

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

Preview Lab → · Contrast checker → · Palette generator →