#51911F#51911F

#51911F is a mid, vivid yellow-green. Relative luminance 0.221; OKLCH L 59.1% C 0.157 H 134.9°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#51911F
RGB	rgb(81, 145, 31)
HSL	hsl(94, 65%, 35%)
HSV	hsv(94, 79%, 57%)
CMYK	cmyk(44.1%, 0%, 78.6%, 43.1%)
CIE-LAB	lab(54.13, -39.71, 50.09)
CIE-LCH	lch(54.13, 63.92, 128.41°)
OKLab	oklab(59.13% -0.1111 0.1114)
OKLCH	oklch(59.13% 0.157 134.9)
XYZ	xyz(13.7658, 22.0983, 4.8361)
Luminance	0.2210 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51911F #5F1F91

analogous

#8A911F #51911F #1F9126

triadic

#51911F #1F5191 #911F51

tetradic

#51911F #1F8A91 #5F1F91 #91261F

square

#51911F #1F8A91 #5F1F91 #91261F

split-complementary

#51911F #261F91 #911F8A

monochromatic

#192C09 #355F14 #51911F #6DC32A #8DDA51

Accessibility & contrast

On white

3.87

#51911F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#51911F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51911F

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51911F	#FFFFFF	#000000	##000000
##51911F	1.00	3.87	5.42	5.42
#FFFFFF	3.87	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)

#978502

Deuteranopia (green-blind)

#8E802B

Tritanopia (blue-blind)

#4F8B7C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #51911f;
/* rgb */ color: rgb(81, 145, 31);
/* oklch */ color: oklch(59.1% 0.157 134.9);

Tailwind

colors: {
  custom: {
    50: '#88b264',
    500: '#51911f',
    950: '#000000',
  },
}

SCSS

$custom: #51911f;
$custom-light: #88b264;
$custom-dark: #000000;

JSON

{
  "hex": "#51911f",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 31
  },
  "hsl": {
    "h": 93.684,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.59133,
    "c": 0.15738,
    "h": 134.9
  },
  "luminance": 0.22099
}

Semantic roles & 50–950 ramp

primary

#51911F

secondary

#8D4FBD

accent

#40E89E

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #51911F

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

Preview Lab → · Contrast checker → · Palette generator →