#577F40#577F40

#577F40 is a mid, moderate yellow-green. Relative luminance 0.176; OKLCH L 55.1% C 0.102 H 135.1°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#577F40
RGB	rgb(87, 127, 64)
HSL	hsl(98, 33%, 37%)
HSV	hsv(98, 50%, 50%)
CMYK	cmyk(31.5%, 0%, 49.6%, 50.2%)
CIE-LAB	lab(48.98, -26.17, 29.73)
CIE-LCH	lch(48.98, 39.61, 131.36°)
OKLab	oklab(55.11% -0.0721 0.0717)
OKLCH	oklch(55.11% 0.102 135.1)
XYZ	xyz(12.4450, 17.5747, 7.5860)
Luminance	0.1757 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F40 #68407F

analogous

#777F40 #577F40 #407F48

triadic

#577F40 #40577F #7F4057

tetradic

#577F40 #40777F #68407F #7F4840

square

#577F40 #40777F #68407F #7F4840

split-complementary

#577F40 #48407F #7F4077

monochromatic

#1F2E17 #3B562B #577F40 #73A855 #94BD7C

Accessibility & contrast

On white

4.65

#577F40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#577F40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577F40

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F40	#FFFFFF	#000000	##FFFFFF
##577F40	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)

#83773B

Deuteranopia (green-blind)

#7D7344

Tritanopia (blue-blind)

#577B70

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #577f40;
/* rgb */ color: rgb(87, 127, 64);
/* oklch */ color: oklch(55.1% 0.102 135.1);

Tailwind

colors: {
  custom: {
    50: '#88a476',
    500: '#577f40',
    950: '#000000',
  },
}

SCSS

$custom: #577f40;
$custom-light: #88a476;
$custom-dark: #000000;

JSON

{
  "hex": "#577f40",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 64
  },
  "hsl": {
    "h": 98.095,
    "s": 32.984,
    "l": 37.451
  },
  "oklch": {
    "l": 0.55112,
    "c": 0.10168,
    "h": 135.1
  },
  "luminance": 0.17575
}

Semantic roles & 50–950 ramp

primary

#577F40

secondary

#9473A8

accent

#5FC9A2

background

#F8FAF7

surface

#F0F4ED

border

#CBCEC8

text

#0C0F08

muted

#7D7F7B

Preview Lab

Preview with #577F40

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

Preview Lab → · Contrast checker → · Palette generator →