#558F1B#558F1B

#558F1B is a mid, vivid yellow-green. Relative luminance 0.217; OKLCH L 58.8% C 0.155 H 133.3°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#558F1B
RGB	rgb(85, 143, 27)
HSL	hsl(90, 68%, 33%)
HSV	hsv(90, 81%, 56%)
CMYK	cmyk(40.6%, 0%, 81.1%, 43.9%)
CIE-LAB	lab(53.66, -37.67, 51.00)
CIE-LCH	lch(53.66, 63.40, 126.45°)
OKLab	oklab(58.79% -0.1062 0.1126)
OKLCH	oklch(58.79% 0.155 133.3)
XYZ	xyz(13.7664, 21.6547, 4.4911)
Luminance	0.2165 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558F1B #551B8F

analogous

#8F8F1B #558F1B #1B8F1B

triadic

#558F1B #1B558F #8F1B55

tetradic

#558F1B #1B8F8F #551B8F #8F1B1B

square

#558F1B #1B8F8F #551B8F #8F1B1B

split-complementary

#558F1B #1B1B8F #8F1B8F

monochromatic

#182808 #365C11 #558F1B #74C225 #92DC48

Accessibility & contrast

On white

3.94

#558F1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#558F1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558F1B

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558F1B	#FFFFFF	#000000	##000000
##558F1B	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)

#958300

Deuteranopia (green-blind)

#8D7F28

Tritanopia (blue-blind)

#55897A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #558f1b;
/* rgb */ color: rgb(85, 143, 27);
/* oklch */ color: oklch(58.8% 0.155 133.3);

Tailwind

colors: {
  custom: {
    50: '#8ab062',
    500: '#558f1b',
    950: '#000000',
  },
}

SCSS

$custom: #558f1b;
$custom-light: #8ab062;
$custom-dark: #000000;

JSON

{
  "hex": "#558f1b",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 27
  },
  "hsl": {
    "h": 90,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.58791,
    "c": 0.1548,
    "h": 133.3
  },
  "luminance": 0.21655
}

Semantic roles & 50–950 ramp

primary

#558F1B

secondary

#8348BE

accent

#3DEB94

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #558F1B

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

Preview Lab → · Contrast checker → · Palette generator →