#558A23#558A23

#558A23 is a mid, vivid yellow-green. Relative luminance 0.202; OKLCH L 57.5% C 0.144 H 133.1°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#558A23
RGB	rgb(85, 138, 35)
HSL	hsl(91, 60%, 34%)
HSV	hsv(91, 75%, 54%)
CMYK	cmyk(38.4%, 0%, 74.6%, 45.9%)
CIE-LAB	lab(52.10, -34.99, 46.74)
CIE-LCH	lch(52.10, 58.39, 126.82°)
OKLab	oklab(57.53% -0.0984 0.105)
OKLCH	oklch(57.53% 0.144 133.1)
XYZ	xyz(13.1380, 20.2290, 4.8021)
Luminance	0.2023 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558A23 #58238A

analogous

#898A23 #558A23 #238A25

triadic

#558A23 #23558A #8A2355

tetradic

#558A23 #23898A #58238A #8A2523

square

#558A23 #23898A #58238A #8A2523

split-complementary

#558A23 #25238A #8A2389

monochromatic

#19280A #375917 #558A23 #73BB2F #92D454

Accessibility & contrast

On white

4.16

#558A23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#558A23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558A23

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558A23	#FFFFFF	#000000	##000000
##558A23	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F10

Deuteranopia (green-blind)

#897B2D

Tritanopia (blue-blind)

#558476

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #558a23;
/* rgb */ color: rgb(85, 138, 35);
/* oklch */ color: oklch(57.5% 0.144 133.1);

Tailwind

colors: {
  custom: {
    50: '#89ac65',
    500: '#558a23',
    950: '#000000',
  },
}

SCSS

$custom: #558a23;
$custom-light: #89ac65;
$custom-dark: #000000;

JSON

{
  "hex": "#558a23",
  "rgb": {
    "r": 85,
    "g": 138,
    "b": 35
  },
  "hsl": {
    "h": 90.874,
    "s": 59.538,
    "l": 33.922
  },
  "oklch": {
    "l": 0.57527,
    "c": 0.14387,
    "h": 133.1
  },
  "luminance": 0.2023
}

Semantic roles & 50–950 ramp

primary

#558A23

secondary

#8651B7

accent

#45E396

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #558A23

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

Preview Lab → · Contrast checker → · Palette generator →