#577E10#577E10

#577E10 is a mid, vivid yellow-green. Relative luminance 0.170; OKLCH L 54.4% C 0.137 H 128.6°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#577E10
RGB	rgb(87, 126, 16)
HSL	hsl(81, 77%, 28%)
HSV	hsv(81, 87%, 49%)
CMYK	cmyk(31%, 0%, 87.3%, 50.6%)
CIE-LAB	lab(48.24, -29.71, 49.28)
CIE-LCH	lch(48.24, 57.54, 121.09°)
OKLab	oklab(54.38% -0.0855 0.1072)
OKLCH	oklch(54.38% 0.137 128.6)
XYZ	xyz(11.4849, 16.9850, 3.1635)
Luminance	0.1699 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E10 #37107E

analogous

#7E6E10 #577E10 #207E10

triadic

#577E10 #10577E #7E1057

tetradic

#577E10 #107E6E #37107E #7E1020

square

#577E10 #107E6E #37107E #7E1020

split-complementary

#577E10 #10207E #6E107E

monochromatic

#131B03 #324809 #577E10 #7CB417 #A0E325

Accessibility & contrast

On white

4.78

#577E10 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#577E10 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577E10

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E10	#FFFFFF	#000000	##FFFFFF
##577E10	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857400

Deuteranopia (green-blind)

#7F721E

Tritanopia (blue-blind)

#5A786B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #577e10;
/* rgb */ color: rgb(87, 126, 16);
/* oklch */ color: oklch(54.4% 0.137 128.6);

Tailwind

colors: {
  custom: {
    50: '#8ba35b',
    500: '#577e10',
    950: '#000000',
  },
}

SCSS

$custom: #577e10;
$custom-light: #8ba35b;
$custom-dark: #000000;

JSON

{
  "hex": "#577e10",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 16
  },
  "hsl": {
    "h": 81.273,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.54381,
    "c": 0.13715,
    "h": 128.6
  },
  "luminance": 0.16985
}

Semantic roles & 50–950 ramp

primary

#577E10

secondary

#6236B4

accent

#34F478

background

#F8FAF5

surface

#F0F4E9

border

#CBCEC5

text

#0C0F04

muted

#7D7F79

Preview Lab

Preview with #577E10

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

Preview Lab → · Contrast checker → · Palette generator →