#558C23#558C23

#558C23 is a mid, vivid yellow-green. Relative luminance 0.208; OKLCH L 58.1% C 0.146 H 133.5°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#558C23
RGB	rgb(85, 140, 35)
HSL	hsl(91, 60%, 34%)
HSV	hsv(91, 75%, 55%)
CMYK	cmyk(39.3%, 0%, 75%, 45.1%)
CIE-LAB	lab(52.74, -35.88, 47.38)
CIE-LCH	lch(52.74, 59.43, 127.13°)
OKLab	oklab(58.05% -0.1008 0.1063)
OKLCH	oklch(58.05% 0.146 133.5)
XYZ	xyz(13.4275, 20.8082, 4.8987)
Luminance	0.2081 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558C23 #5A238C

analogous

#8A8C23 #558C23 #238C26

triadic

#558C23 #23558C #8C2355

tetradic

#558C23 #238A8C #5A238C #8C2623

square

#558C23 #238A8C #5A238C #8C2623

split-complementary

#558C23 #26238C #8C238A

monochromatic

#1A2A0B #375B17 #558C23 #73BD2F #92D455

Accessibility & contrast

On white

4.07

#558C23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#558C23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558C23

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558C23	#FFFFFF	#000000	##000000
##558C23	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92810F

Deuteranopia (green-blind)

#8A7C2D

Tritanopia (blue-blind)

#558678

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #558c23;
/* rgb */ color: rgb(85, 140, 35);
/* oklch */ color: oklch(58.1% 0.146 133.5);

Tailwind

colors: {
  custom: {
    50: '#8aae65',
    500: '#558c23',
    950: '#000000',
  },
}

SCSS

$custom: #558c23;
$custom-light: #8aae65;
$custom-dark: #000000;

JSON

{
  "hex": "#558c23",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 35
  },
  "hsl": {
    "h": 91.429,
    "s": 60,
    "l": 34.314
  },
  "oklch": {
    "l": 0.58053,
    "c": 0.14649,
    "h": 133.5
  },
  "luminance": 0.20809
}

Semantic roles & 50–950 ramp

primary

#558C23

secondary

#8852B8

accent

#45E398

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #558C23

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

Preview Lab → · Contrast checker → · Palette generator →