#518E2B#518E2B

#518E2B is a mid, vivid yellow-green. Relative luminance 0.213; OKLCH L 58.4% C 0.146 H 135.7°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#518E2B
RGB	rgb(81, 142, 43)
HSL	hsl(97, 54%, 36%)
HSV	hsv(97, 70%, 56%)
CMYK	cmyk(43%, 0%, 69.7%, 44.3%)
CIE-LAB	lab(53.24, -37.57, 44.66)
CIE-LCH	lch(53.24, 58.36, 130.07°)
OKLab	oklab(58.43% -0.1045 0.1018)
OKLCH	oklch(58.43% 0.146 135.7)
XYZ	xyz(13.5021, 21.2690, 5.6789)
Luminance	0.2127 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518E2B #682B8E

analogous

#838E2B #518E2B #2B8E37

triadic

#518E2B #2B518E #8E2B51

tetradic

#518E2B #2B838E #682B8E #8E372B

square

#518E2B #2B838E #682B8E #8E372B

split-complementary

#518E2B #372B8E #8E2B83

monochromatic

#1B300F #365F1D #518E2B #6CBD39 #8DD063

Accessibility & contrast

On white

4.00

#518E2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#518E2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518E2B

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518E2B	#FFFFFF	#000000	##000000
##518E2B	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93821D

Deuteranopia (green-blind)

#8B7D34

Tritanopia (blue-blind)

#4F897A

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #518e2b;
/* rgb */ color: rgb(81, 142, 43);
/* oklch */ color: oklch(58.4% 0.146 135.7);

Tailwind

colors: {
  custom: {
    50: '#87af6a',
    500: '#518e2b',
    950: '#000000',
  },
}

SCSS

$custom: #518e2b;
$custom-light: #87af6a;
$custom-dark: #000000;

JSON

{
  "hex": "#518e2b",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 43
  },
  "hsl": {
    "h": 96.97,
    "s": 53.514,
    "l": 36.275
  },
  "oklch": {
    "l": 0.5843,
    "c": 0.1459,
    "h": 135.7
  },
  "luminance": 0.2127
}

Semantic roles & 50–950 ramp

primary

#518E2B

secondary

#955FB6

accent

#4BDDA5

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1007

muted

#7D7F7A

Preview Lab

Preview with #518E2B

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

Preview Lab → · Contrast checker → · Palette generator →