#577B15#577B15

#577B15 is a mid, vivid yellow-green. Relative luminance 0.162; OKLCH L 53.6% C 0.131 H 128.0°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#577B15
RGB	rgb(87, 123, 21)
HSL	hsl(81, 71%, 28%)
HSV	hsv(81, 83%, 48%)
CMYK	cmyk(29.3%, 0%, 82.9%, 51.8%)
CIE-LAB	lab(47.30, -28.07, 47.04)
CIE-LCH	lch(47.30, 54.78, 120.82°)
OKLab	oklab(53.62% -0.0808 0.1033)
OKLCH	oklch(53.62% 0.131 128)
XYZ	xyz(11.1488, 16.2460, 3.2577)
Luminance	0.1625 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B15 #39157B

analogous

#7B6C15 #577B15 #247B15

triadic

#577B15 #15577B #7B1557

tetradic

#577B15 #157B6C #39157B #7B1524

square

#577B15 #157B6C #39157B #7B1524

split-complementary

#577B15 #15247B #6C157B

monochromatic

#121A04 #32470C #577B15 #7CAF1E #9FDB2F

Accessibility & contrast

On white

4.94

#577B15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#577B15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B15

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B15	#FFFFFF	#000000	##FFFFFF
##577B15	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827200

Deuteranopia (green-blind)

#7D6F20

Tritanopia (blue-blind)

#5A7568

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #577b15;
/* rgb */ color: rgb(87, 123, 21);
/* oklch */ color: oklch(53.6% 0.131 128.0);

Tailwind

colors: {
  custom: {
    50: '#8aa15d',
    500: '#577b15',
    950: '#000000',
  },
}

SCSS

$custom: #577b15;
$custom-light: #8aa15d;
$custom-dark: #000000;

JSON

{
  "hex": "#577b15",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 21
  },
  "hsl": {
    "h": 81.176,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.53619,
    "c": 0.13113,
    "h": 128
  },
  "luminance": 0.16246
}

Semantic roles & 50–950 ramp

primary

#577B15

secondary

#653BB0

accent

#3AEE7A

background

#F8F9F5

surface

#F0F2E9

border

#CBCCC5

text

#0C0F05

muted

#7D7E79

Preview Lab

Preview with #577B15

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

Preview Lab → · Contrast checker → · Palette generator →