#578B2B#578B2B

#578B2B is a mid, vivid yellow-green. Relative luminance 0.207; OKLCH L 58.0% C 0.139 H 133.5°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#578B2B
RGB	rgb(87, 139, 43)
HSL	hsl(93, 53%, 36%)
HSV	hsv(93, 69%, 55%)
CMYK	cmyk(37.4%, 0%, 69.1%, 45.5%)
CIE-LAB	lab(52.58, -34.10, 44.06)
CIE-LCH	lch(52.58, 55.71, 127.74°)
OKLab	oklab(57.97% -0.0954 0.1005)
OKLCH	oklch(57.97% 0.139 133.5)
XYZ	xyz(13.5989, 20.6653, 5.5573)
Luminance	0.2067 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578B2B #5F2B8B

analogous

#878B2B #578B2B #2B8B2F

triadic

#578B2B #2B578B #8B2B57

tetradic

#578B2B #2B878B #5F2B8B #8B2F2B

square

#578B2B #2B878B #5F2B8B #8B2F2B

split-complementary

#578B2B #2F2B8B #8B2B87

monochromatic

#1C2E0E #3A5C1D #578B2B #74BA39 #94CE62

Accessibility & contrast

On white

4.09

#578B2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#578B2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578B2B

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578B2B	#FFFFFF	#000000	##000000
##578B2B	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91801D

Deuteranopia (green-blind)

#897C33

Tritanopia (blue-blind)

#578578

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #578b2b;
/* rgb */ color: rgb(87, 139, 43);
/* oklch */ color: oklch(58.0% 0.139 133.5);

Tailwind

colors: {
  custom: {
    50: '#8aad6a',
    500: '#578b2b',
    950: '#000000',
  },
}

SCSS

$custom: #578b2b;
$custom-light: #8aad6a;
$custom-dark: #000000;

JSON

{
  "hex": "#578b2b",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 43
  },
  "hsl": {
    "h": 92.5,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57972,
    "c": 0.13859,
    "h": 133.5
  },
  "luminance": 0.20666
}

Semantic roles & 50–950 ramp

primary

#578B2B

secondary

#8D5DB5

accent

#4CDC9A

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1007

muted

#7D7F7A

Preview Lab

Preview with #578B2B

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

Preview Lab → · Contrast checker → · Palette generator →