#558B23#558B23

#558B23 is a mid, vivid yellow-green. Relative luminance 0.205; OKLCH L 57.8% C 0.145 H 133.3°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#558B23
RGB	rgb(85, 139, 35)
HSL	hsl(91, 60%, 34%)
HSV	hsv(91, 75%, 55%)
CMYK	cmyk(38.8%, 0%, 74.8%, 45.5%)
CIE-LAB	lab(52.42, -35.44, 47.06)
CIE-LCH	lch(52.42, 58.91, 126.98°)
OKLab	oklab(57.79% -0.0996 0.1057)
OKLCH	oklch(57.79% 0.145 133.3)
XYZ	xyz(13.2821, 20.5173, 4.8502)
Luminance	0.2052 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558B23 #59238B

analogous

#898B23 #558B23 #238B25

triadic

#558B23 #23558B #8B2355

tetradic

#558B23 #23898B #59238B #8B2523

square

#558B23 #23898B #59238B #8B2523

split-complementary

#558B23 #25238B #8B2389

monochromatic

#19290A #375A17 #558B23 #73BC2F #92D454

Accessibility & contrast

On white

4.11

#558B23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#558B23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558B23

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558B23	#FFFFFF	#000000	##000000
##558B23	1.00	4.11	5.10	5.10
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91800F

Deuteranopia (green-blind)

#897C2D

Tritanopia (blue-blind)

#558577

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #558b23;
/* rgb */ color: rgb(85, 139, 35);
/* oklch */ color: oklch(57.8% 0.145 133.3);

Tailwind

colors: {
  custom: {
    50: '#8aad65',
    500: '#558b23',
    950: '#000000',
  },
}

SCSS

$custom: #558b23;
$custom-light: #8aad65;
$custom-dark: #000000;

JSON

{
  "hex": "#558b23",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 35
  },
  "hsl": {
    "h": 91.154,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.5779,
    "c": 0.14518,
    "h": 133.3
  },
  "luminance": 0.20518
}

Semantic roles & 50–950 ramp

primary

#558B23

secondary

#8752B8

accent

#45E397

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #558B23

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

Preview Lab → · Contrast checker → · Palette generator →