#558B28#558B28

#558B28 is a mid, vivid yellow-green. Relative luminance 0.205; OKLCH L 57.8% C 0.142 H 133.8°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#558B28
RGB	rgb(85, 139, 40)
HSL	hsl(93, 55%, 35%)
HSV	hsv(93, 71%, 55%)
CMYK	cmyk(38.8%, 0%, 71.2%, 45.5%)
CIE-LAB	lab(52.45, -35.07, 45.14)
CIE-LCH	lch(52.45, 57.16, 127.85°)
OKLab	oklab(57.83% -0.0982 0.1024)
OKLCH	oklch(57.83% 0.142 133.8)
XYZ	xyz(13.3617, 20.5491, 5.2694)
Luminance	0.2055 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558B28 #5E288B

analogous

#878B28 #558B28 #288B2C

triadic

#558B28 #28558B #8B2855

tetradic

#558B28 #28878B #5E288B #8B2C28

square

#558B28 #28878B #5E288B #8B2C28

split-complementary

#558B28 #2C288B #8B2887

monochromatic

#1B2C0D #385B1A #558B28 #72BB36 #91D05D

Accessibility & contrast

On white

4.11

#558B28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#558B28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558B28

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558B28	#FFFFFF	#000000	##000000
##558B28	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918019

Deuteranopia (green-blind)

#897C31

Tritanopia (blue-blind)

#558577

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #558b28;
/* rgb */ color: rgb(85, 139, 40);
/* oklch */ color: oklch(57.8% 0.142 133.8);

Tailwind

colors: {
  custom: {
    50: '#89ad68',
    500: '#558b28',
    950: '#000000',
  },
}

SCSS

$custom: #558b28;
$custom-light: #89ad68;
$custom-dark: #000000;

JSON

{
  "hex": "#558b28",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 40
  },
  "hsl": {
    "h": 92.727,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.57831,
    "c": 0.14186,
    "h": 133.8
  },
  "luminance": 0.2055
}

Semantic roles & 50–950 ramp

primary

#558B28

secondary

#8C59B6

accent

#49DF9B

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #558B28

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

Preview Lab → · Contrast checker → · Palette generator →