#577C17#577C17

#577C17 is a mid, vivid yellow-green. Relative luminance 0.165; OKLCH L 53.9% C 0.131 H 128.4°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#577C17
RGB	rgb(87, 124, 23)
HSL	hsl(82, 69%, 29%)
HSV	hsv(82, 81%, 49%)
CMYK	cmyk(29.8%, 0%, 81.5%, 51.4%)
CIE-LAB	lab(47.63, -28.45, 46.72)
CIE-LCH	lch(47.63, 54.70, 121.34°)
OKLab	oklab(53.89% -0.0817 0.1029)
OKLCH	oklch(53.89% 0.131 128.4)
XYZ	xyz(11.2928, 16.5031, 3.4009)
Luminance	0.1650 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C17 #3C177C

analogous

#7C6F17 #577C17 #257C17

triadic

#577C17 #17577C #7C1757

tetradic

#577C17 #177C6F #3C177C #7C1725

square

#577C17 #177C6F #3C177C #7C1725

split-complementary

#577C17 #17257C #6F177C

monochromatic

#121A05 #33480D #577C17 #7BB021 #9DD934

Accessibility & contrast

On white

4.88

#577C17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#577C17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577C17

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C17	#FFFFFF	#000000	##FFFFFF
##577C17	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827300

Deuteranopia (green-blind)

#7D7022

Tritanopia (blue-blind)

#5A7669

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #577c17;
/* rgb */ color: rgb(87, 124, 23);
/* oklch */ color: oklch(53.9% 0.131 128.4);

Tailwind

colors: {
  custom: {
    50: '#8aa25e',
    500: '#577c17',
    950: '#000000',
  },
}

SCSS

$custom: #577c17;
$custom-light: #8aa25e;
$custom-dark: #000000;

JSON

{
  "hex": "#577c17",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 23
  },
  "hsl": {
    "h": 81.98,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.53892,
    "c": 0.13141,
    "h": 128.4
  },
  "luminance": 0.16503
}

Semantic roles & 50–950 ramp

primary

#577C17

secondary

#683EB1

accent

#3CEC7C

background

#F8F9F5

surface

#F0F2E9

border

#CBCCC5

text

#0C0F05

muted

#7D7E79

Preview Lab

Preview with #577C17

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

Preview Lab → · Contrast checker → · Palette generator →