#51841D#51841D

#51841D is a mid, vivid yellow-green. Relative luminance 0.183; OKLCH L 55.7% C 0.142 H 132.8°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#51841D
RGB	rgb(81, 132, 29)
HSL	hsl(90, 64%, 32%)
HSV	hsv(90, 78%, 52%)
CMYK	cmyk(38.6%, 0%, 78%, 48.2%)
CIE-LAB	lab(49.91, -34.18, 46.72)
CIE-LCH	lch(49.91, 57.89, 126.19°)
OKLab	oklab(55.67% -0.0964 0.1041)
OKLCH	oklch(55.67% 0.142 132.8)
XYZ	xyz(11.8662, 18.3400, 4.0769)
Luminance	0.1834 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51841D #501D84

analogous

#84841D #51841D #1E841D

triadic

#51841D #1D5184 #841D51

tetradic

#51841D #1D8484 #501D84 #841D1E

square

#51841D #1D8484 #501D84 #841D1E

split-complementary

#51841D #1D1E84 #841D84

monochromatic

#132007 #325212 #51841D #70B628 #8ED645

Accessibility & contrast

On white

4.50

#51841D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#51841D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51841D

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51841D	#FFFFFF	#000000	##000000
##51841D	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7905

Deuteranopia (green-blind)

#837528

Tritanopia (blue-blind)

#527E71

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #51841d;
/* rgb */ color: rgb(81, 132, 29);
/* oklch */ color: oklch(55.7% 0.142 132.8);

Tailwind

colors: {
  custom: {
    50: '#87a861',
    500: '#51841d',
    950: '#000000',
  },
}

SCSS

$custom: #51841d;
$custom-light: #87a861;
$custom-dark: #000000;

JSON

{
  "hex": "#51841d",
  "rgb": {
    "r": 81,
    "g": 132,
    "b": 29
  },
  "hsl": {
    "h": 89.709,
    "s": 63.975,
    "l": 31.569
  },
  "oklch": {
    "l": 0.55669,
    "c": 0.14183,
    "h": 132.8
  },
  "luminance": 0.18341
}

Semantic roles & 50–950 ramp

primary

#51841D

secondary

#7E46B7

accent

#41E793

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C0F05

muted

#7D7F7A

Preview Lab

Preview with #51841D

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

Preview Lab → · Contrast checker → · Palette generator →