#558B1F#558B1F

#558B1F is a mid, vivid yellow-green. Relative luminance 0.205; OKLCH L 57.8% C 0.148 H 133.0°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#558B1F
RGB	rgb(85, 139, 31)
HSL	hsl(90, 64%, 33%)
HSV	hsv(90, 78%, 55%)
CMYK	cmyk(38.8%, 0%, 77.7%, 45.5%)
CIE-LAB	lab(52.39, -35.69, 48.49)
CIE-LCH	lch(52.39, 60.21, 126.36°)
OKLab	oklab(57.76% -0.1006 0.108)
OKLCH	oklch(57.76% 0.148 133)
XYZ	xyz(13.2261, 20.4949, 4.5551)
Luminance	0.2049 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558B1F #551F8B

analogous

#8B8B1F #558B1F #1F8B1F

triadic

#558B1F #1F558B #8B1F55

tetradic

#558B1F #1F8B8B #551F8B #8B1F1F

square

#558B1F #1F8B8B #551F8B #8B1F1F

split-complementary

#558B1F #1F1F8B #8B1F8B

monochromatic

#182709 #365914 #558B1F #74BD2A #92D74D

Accessibility & contrast

On white

4.12

#558B1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#558B1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558B1F

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558B1F	#FFFFFF	#000000	##000000
##558B1F	1.00	4.12	5.10	5.10
#FFFFFF	4.12	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)

#918005

Deuteranopia (green-blind)

#8A7B2A

Tritanopia (blue-blind)

#558577

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #558b1f;
/* rgb */ color: rgb(85, 139, 31);
/* oklch */ color: oklch(57.8% 0.148 133.0);

Tailwind

colors: {
  custom: {
    50: '#8aad63',
    500: '#558b1f',
    950: '#000000',
  },
}

SCSS

$custom: #558b1f;
$custom-light: #8aad63;
$custom-dark: #000000;

JSON

{
  "hex": "#558b1f",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 31
  },
  "hsl": {
    "h": 90,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.57762,
    "c": 0.14758,
    "h": 133
  },
  "luminance": 0.20495
}

Semantic roles & 50–950 ramp

primary

#558B1F

secondary

#834CBA

accent

#41E794

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #558B1F

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

Preview Lab → · Contrast checker → · Palette generator →