#51911D#51911D

#51911D is a mid, vivid yellow-green. Relative luminance 0.221; OKLCH L 59.1% C 0.158 H 134.8°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#51911D
RGB	rgb(81, 145, 29)
HSL	hsl(93, 67%, 34%)
HSV	hsv(93, 80%, 57%)
CMYK	cmyk(44.1%, 0%, 80%, 43.1%)
CIE-LAB	lab(54.12, -39.83, 50.73)
CIE-LCH	lch(54.12, 64.50, 128.13°)
OKLab	oklab(59.12% -0.1116 0.1125)
OKLCH	oklch(59.12% 0.158 134.8)
XYZ	xyz(13.7402, 22.0881, 4.7016)
Luminance	0.2209 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51911D #5D1D91

analogous

#8B911D #51911D #1D9123

triadic

#51911D #1D5191 #911D51

tetradic

#51911D #1D8B91 #5D1D91 #91231D

square

#51911D #1D8B91 #5D1D91 #91231D

split-complementary

#51911D #231D91 #911D8B

monochromatic

#182B09 #355E13 #51911D #6DC427 #8DDB4D

Accessibility & contrast

On white

3.88

#51911D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#51911D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51911D

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51911D	#FFFFFF	#000000	##000000
##51911D	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#978500

Deuteranopia (green-blind)

#8E802A

Tritanopia (blue-blind)

#508B7C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #51911d;
/* rgb */ color: rgb(81, 145, 29);
/* oklch */ color: oklch(59.1% 0.158 134.8);

Tailwind

colors: {
  custom: {
    50: '#88b263',
    500: '#51911d',
    950: '#000000',
  },
}

SCSS

$custom: #51911d;
$custom-light: #88b263;
$custom-dark: #000000;

JSON

{
  "hex": "#51911d",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 29
  },
  "hsl": {
    "h": 93.103,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.5912,
    "c": 0.15844,
    "h": 134.8
  },
  "luminance": 0.22089
}

Semantic roles & 50–950 ramp

primary

#51911D

secondary

#8B4CBE

accent

#3EEA9D

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #51911D

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

Preview Lab → · Contrast checker → · Palette generator →