#577D17#577D17

#577D17 is a mid, vivid yellow-green. Relative luminance 0.168; OKLCH L 54.2% C 0.133 H 128.7°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#577D17
RGB	rgb(87, 125, 23)
HSL	hsl(82, 69%, 29%)
HSV	hsv(82, 82%, 49%)
CMYK	cmyk(30.4%, 0%, 81.6%, 51%)
CIE-LAB	lab(47.95, -28.93, 47.01)
CIE-LCH	lch(47.95, 55.20, 121.61°)
OKLab	oklab(54.15% -0.083 0.1036)
OKLCH	oklch(54.15% 0.133 128.7)
XYZ	xyz(11.4187, 16.7550, 3.4429)
Luminance	0.1676 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D17 #3D177D

analogous

#7D7017 #577D17 #247D17

triadic

#577D17 #17577D #7D1757

tetradic

#577D17 #177D70 #3D177D #7D1724

square

#577D17 #177D70 #3D177D #7D1724

split-complementary

#577D17 #17247D #70177D

monochromatic

#121A05 #33490D #577D17 #7BB121 #9CDA35

Accessibility & contrast

On white

4.83

#577D17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#577D17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577D17

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D17	#FFFFFF	#000000	##FFFFFF
##577D17	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837300

Deuteranopia (green-blind)

#7E7122

Tritanopia (blue-blind)

#5A776A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #577d17;
/* rgb */ color: rgb(87, 125, 23);
/* oklch */ color: oklch(54.2% 0.133 128.7);

Tailwind

colors: {
  custom: {
    50: '#8aa35e',
    500: '#577d17',
    950: '#000000',
  },
}

SCSS

$custom: #577d17;
$custom-light: #8aa35e;
$custom-dark: #000000;

JSON

{
  "hex": "#577d17",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 23
  },
  "hsl": {
    "h": 82.353,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.54154,
    "c": 0.13271,
    "h": 128.7
  },
  "luminance": 0.16755
}

Semantic roles & 50–950 ramp

primary

#577D17

secondary

#693EB2

accent

#3CEC7E

background

#F8FAF5

surface

#F0F3E9

border

#CBCDC5

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #577D17

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

Preview Lab → · Contrast checker → · Palette generator →