#577C21#577C21

#577C21 is a mid, vivid yellow-green. Relative luminance 0.166; OKLCH L 54.0% C 0.125 H 129.2°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#577C21
RGB	rgb(87, 124, 33)
HSL	hsl(84, 58%, 31%)
HSV	hsv(84, 73%, 49%)
CMYK	cmyk(29.8%, 0%, 73.4%, 51.4%)
CIE-LAB	lab(47.69, -27.85, 43.15)
CIE-LCH	lch(47.69, 51.35, 122.84°)
OKLab	oklab(53.96% -0.0792 0.0971)
OKLCH	oklch(53.96% 0.125 129.2)
XYZ	xyz(11.4126, 16.5510, 4.0319)
Luminance	0.1655 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C21 #46217C

analogous

#7C7321 #577C21 #297C21

triadic

#577C21 #21577C #7C2157

tetradic

#577C21 #217C73 #46217C #7C2129

square

#577C21 #217C73 #46217C #7C2129

split-complementary

#577C21 #21297C #73217C

monochromatic

#131B07 #354C14 #577C21 #79AC2E #98CF49

Accessibility & contrast

On white

4.87

#577C21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#577C21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577C21

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C21	#FFFFFF	#000000	##FFFFFF
##577C21	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827312

Deuteranopia (green-blind)

#7D7029

Tritanopia (blue-blind)

#5A766A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #577c21;
/* rgb */ color: rgb(87, 124, 33);
/* oklch */ color: oklch(54.0% 0.125 129.2);

Tailwind

colors: {
  custom: {
    50: '#8aa262',
    500: '#577c21',
    950: '#000000',
  },
}

SCSS

$custom: #577c21;
$custom-light: #8aa262;
$custom-dark: #000000;

JSON

{
  "hex": "#577c21",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 33
  },
  "hsl": {
    "h": 84.396,
    "s": 57.962,
    "l": 30.784
  },
  "oklch": {
    "l": 0.53962,
    "c": 0.12534,
    "h": 129.2
  },
  "luminance": 0.16551
}

Semantic roles & 50–950 ramp

primary

#577C21

secondary

#734AAF

accent

#47E185

background

#F8FAF6

surface

#F0F3EB

border

#CBCDC6

text

#0C0F05

muted

#7D7F7A

Preview Lab

Preview with #577C21

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

Preview Lab → · Contrast checker → · Palette generator →