#577F3F#577F3F

#577F3F is a mid, moderate yellow-green. Relative luminance 0.176; OKLCH L 55.1% C 0.103 H 134.9°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#577F3F
RGB	rgb(87, 127, 63)
HSL	hsl(98, 34%, 37%)
HSV	hsv(98, 50%, 50%)
CMYK	cmyk(31.5%, 0%, 50.4%, 50.2%)
CIE-LAB	lab(48.96, -26.31, 30.25)
CIE-LCH	lch(48.96, 40.09, 131.01°)
OKLab	oklab(55.1% -0.0725 0.0728)
OKLCH	oklch(55.1% 0.103 134.9)
XYZ	xyz(12.4168, 17.5634, 7.4375)
Luminance	0.1756 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F3F #673F7F

analogous

#777F3F #577F3F #3F7F47

triadic

#577F3F #3F577F #7F3F57

tetradic

#577F3F #3F777F #673F7F #7F473F

square

#577F3F #3F777F #673F7F #7F473F

split-complementary

#577F3F #473F7F #7F3F77

monochromatic

#1F2D16 #3B562B #577F3F #73A853 #94BD7B

Accessibility & contrast

On white

4.65

#577F3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#577F3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577F3F

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F3F	#FFFFFF	#000000	##FFFFFF
##577F3F	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#83763A

Deuteranopia (green-blind)

#7D7343

Tritanopia (blue-blind)

#577B70

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #577f3f;
/* rgb */ color: rgb(87, 127, 63);
/* oklch */ color: oklch(55.1% 0.103 134.9);

Tailwind

colors: {
  custom: {
    50: '#88a475',
    500: '#577f3f',
    950: '#000000',
  },
}

SCSS

$custom: #577f3f;
$custom-light: #88a475;
$custom-dark: #000000;

JSON

{
  "hex": "#577f3f",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 63
  },
  "hsl": {
    "h": 97.5,
    "s": 33.684,
    "l": 37.255
  },
  "oklch": {
    "l": 0.55096,
    "c": 0.10274,
    "h": 134.9
  },
  "luminance": 0.17564
}

Semantic roles & 50–950 ramp

primary

#577F3F

secondary

#9472A8

accent

#5ECAA1

background

#F8FAF7

surface

#F0F4ED

border

#CBCEC8

text

#0C0F08

muted

#7D7F7B

Preview Lab

Preview with #577F3F

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

Preview Lab → · Contrast checker → · Palette generator →