#51791F#51791F

#51791F is a mid, vivid yellow-green. Relative luminance 0.155; OKLCH L 52.8% C 0.126 H 130.7°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#51791F
RGB	rgb(81, 121, 31)
HSL	hsl(87, 59%, 30%)
HSV	hsv(87, 74%, 47%)
CMYK	cmyk(33.1%, 0%, 74.4%, 52.5%)
CIE-LAB	lab(46.34, -28.97, 42.47)
CIE-LCH	lch(46.34, 51.41, 124.30°)
OKLab	oklab(52.76% -0.0821 0.0955)
OKLCH	oklch(52.76% 0.126 130.7)
XYZ	xyz(10.4780, 15.5227, 3.7402)
Luminance	0.1552 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51791F #471F79

analogous

#79741F #51791F #24791F

triadic

#51791F #1F5179 #791F51

tetradic

#51791F #1F7974 #471F79 #791F24

square

#51791F #1F7974 #471F79 #791F24

split-complementary

#51791F #1F2479 #741F79

monochromatic

#101806 #304813 #51791F #72AA2B #91CF43

Accessibility & contrast

On white

5.12

#51791F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#51791F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51791F

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51791F	#FFFFFF	#000000	##FFFFFF
##51791F	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F700F

Deuteranopia (green-blind)

#796D27

Tritanopia (blue-blind)

#537467

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #51791f;
/* rgb */ color: rgb(81, 121, 31);
/* oklch */ color: oklch(52.8% 0.126 130.7);

Tailwind

colors: {
  custom: {
    50: '#85a061',
    500: '#51791f',
    950: '#000000',
  },
}

SCSS

$custom: #51791f;
$custom-light: #85a061;
$custom-dark: #000000;

JSON

{
  "hex": "#51791f",
  "rgb": {
    "r": 81,
    "g": 121,
    "b": 31
  },
  "hsl": {
    "h": 86.667,
    "s": 59.211,
    "l": 29.804
  },
  "oklch": {
    "l": 0.52765,
    "c": 0.12592,
    "h": 130.7
  },
  "luminance": 0.15523
}

Semantic roles & 50–950 ramp

primary

#51791F

secondary

#7447AC

accent

#45E28B

background

#F8F9F5

surface

#F0F2EA

border

#CBCCC6

text

#0B0E05

muted

#7C7E79

Preview Lab

Preview with #51791F

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

Preview Lab → · Contrast checker → · Palette generator →