#577E21#577E21

#577E21 is a mid, vivid yellow-green. Relative luminance 0.171; OKLCH L 54.5% C 0.128 H 129.7°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#577E21
RGB	rgb(87, 126, 33)
HSL	hsl(85, 58%, 31%)
HSV	hsv(85, 74%, 49%)
CMYK	cmyk(31%, 0%, 73.8%, 50.6%)
CIE-LAB	lab(48.33, -28.81, 43.79)
CIE-LCH	lch(48.33, 52.42, 123.34°)
OKLab	oklab(54.48% -0.0819 0.0985)
OKLCH	oklch(54.48% 0.128 129.7)
XYZ	xyz(11.6658, 17.0574, 4.1163)
Luminance	0.1706 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E21 #48217E

analogous

#7E7621 #577E21 #287E21

triadic

#577E21 #21577E #7E2157

tetradic

#577E21 #217E76 #48217E #7E2128

square

#577E21 #217E76 #48217E #7E2128

split-complementary

#577E21 #21287E #76217E

monochromatic

#141D08 #364E14 #577E21 #78AE2E #97D04A

Accessibility & contrast

On white

4.76

#577E21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#577E21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577E21

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E21	#FFFFFF	#000000	##FFFFFF
##577E21	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847511

Deuteranopia (green-blind)

#7F7229

Tritanopia (blue-blind)

#59786C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #577e21;
/* rgb */ color: rgb(87, 126, 33);
/* oklch */ color: oklch(54.5% 0.128 129.7);

Tailwind

colors: {
  custom: {
    50: '#8aa363',
    500: '#577e21',
    950: '#000000',
  },
}

SCSS

$custom: #577e21;
$custom-light: #8aa363;
$custom-dark: #000000;

JSON

{
  "hex": "#577e21",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 33
  },
  "hsl": {
    "h": 85.161,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.54485,
    "c": 0.12805,
    "h": 129.7
  },
  "luminance": 0.17058
}

Semantic roles & 50–950 ramp

primary

#577E21

secondary

#754AB1

accent

#46E287

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C0F05

muted

#7D7F7A

Preview Lab

Preview with #577E21

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

Preview Lab → · Contrast checker → · Palette generator →