#558F1F#558F1F

#558F1F is a mid, vivid yellow-green. Relative luminance 0.217; OKLCH L 58.8% C 0.153 H 133.6°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#558F1F
RGB	rgb(85, 143, 31)
HSL	hsl(91, 64%, 34%)
HSV	hsv(91, 78%, 56%)
CMYK	cmyk(40.6%, 0%, 78.3%, 43.9%)
CIE-LAB	lab(53.68, -37.45, 49.72)
CIE-LCH	lch(53.68, 62.25, 126.98°)
OKLab	oklab(58.82% -0.1053 0.1106)
OKLCH	oklch(58.82% 0.153 133.6)
XYZ	xyz(13.8159, 21.6745, 4.7517)
Luminance	0.2167 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558F1F #591F8F

analogous

#8D8F1F #558F1F #1F8F21

triadic

#558F1F #1F558F #8F1F55

tetradic

#558F1F #1F8D8F #591F8F #8F211F

square

#558F1F #1F8D8F #591F8F #8F211F

split-complementary

#558F1F #211F8F #8F1F8D

monochromatic

#192A09 #375D14 #558F1F #73C12A #92D94F

Accessibility & contrast

On white

3.94

#558F1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#558F1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558F1F

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558F1F	#FFFFFF	#000000	##000000
##558F1F	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958303

Deuteranopia (green-blind)

#8D7F2B

Tritanopia (blue-blind)

#55897A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #558f1f;
/* rgb */ color: rgb(85, 143, 31);
/* oklch */ color: oklch(58.8% 0.153 133.6);

Tailwind

colors: {
  custom: {
    50: '#8ab064',
    500: '#558f1f',
    950: '#000000',
  },
}

SCSS

$custom: #558f1f;
$custom-light: #8ab064;
$custom-dark: #000000;

JSON

{
  "hex": "#558f1f",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 31
  },
  "hsl": {
    "h": 91.071,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.58815,
    "c": 0.15272,
    "h": 133.6
  },
  "luminance": 0.21675
}

Semantic roles & 50–950 ramp

primary

#558F1F

secondary

#874EBC

accent

#40E797

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #558F1F

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

Preview Lab → · Contrast checker → · Palette generator →