#578018#578018

#578018 is a mid, vivid yellow-green. Relative luminance 0.175; OKLCH L 54.9% C 0.136 H 129.5°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#578018
RGB	rgb(87, 128, 24)
HSL	hsl(84, 68%, 30%)
HSV	hsv(84, 81%, 50%)
CMYK	cmyk(32%, 0%, 81.3%, 49.8%)
CIE-LAB	lab(48.92, -30.30, 47.59)
CIE-LCH	lch(48.92, 56.42, 122.48°)
OKLab	oklab(54.95% -0.0866 0.1049)
OKLCH	oklch(54.95% 0.136 129.5)
XYZ	xyz(11.8145, 17.5302, 3.6252)
Luminance	0.1753 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578018 #411880

analogous

#807518 #578018 #238018

triadic

#578018 #185780 #801857

tetradic

#578018 #188075 #411880 #801823

square

#578018 #188075 #411880 #801823

split-complementary

#578018 #182380 #751880

monochromatic

#121A05 #344C0E #578018 #7AB422 #9ADA39

Accessibility & contrast

On white

4.66

#578018 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#578018 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #578018

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578018	#FFFFFF	#000000	##FFFFFF
##578018	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#867600

Deuteranopia (green-blind)

#817323

Tritanopia (blue-blind)

#5A7A6D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #578018;
/* rgb */ color: rgb(87, 128, 24);
/* oklch */ color: oklch(54.9% 0.136 129.5);

Tailwind

colors: {
  custom: {
    50: '#8aa55f',
    500: '#578018',
    950: '#000000',
  },
}

SCSS

$custom: #578018;
$custom-light: #8aa55f;
$custom-dark: #000000;

JSON

{
  "hex": "#578018",
  "rgb": {
    "r": 87,
    "g": 128,
    "b": 24
  },
  "hsl": {
    "h": 83.654,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.54947,
    "c": 0.13607,
    "h": 129.5
  },
  "luminance": 0.17531
}

Semantic roles & 50–950 ramp

primary

#578018

secondary

#6E40B4

accent

#3DEB81

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #578018

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

Preview Lab → · Contrast checker → · Palette generator →