#577F21#577F21

#577F21 is a mid, vivid yellow-green. Relative luminance 0.173; OKLCH L 54.7% C 0.129 H 130.0°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#577F21
RGB	rgb(87, 127, 33)
HSL	hsl(86, 59%, 31%)
HSV	hsv(86, 74%, 50%)
CMYK	cmyk(31.5%, 0%, 74%, 50.2%)
CIE-LAB	lab(48.65, -29.29, 44.12)
CIE-LCH	lch(48.65, 52.95, 123.58°)
OKLab	oklab(54.75% -0.0832 0.0991)
OKLCH	oklch(54.75% 0.129 130)
XYZ	xyz(11.7943, 17.3144, 4.1592)
Luminance	0.1731 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F21 #49217F

analogous

#7F7821 #577F21 #287F21

triadic

#577F21 #21577F #7F2157

tetradic

#577F21 #217F78 #49217F #7F2128

square

#577F21 #217F78 #49217F #7F2128

split-complementary

#577F21 #21287F #78217F

monochromatic

#141E08 #364E14 #577F21 #78B02E #97D04A

Accessibility & contrast

On white

4.71

#577F21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#577F21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577F21

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F21	#FFFFFF	#000000	##FFFFFF
##577F21	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857511

Deuteranopia (green-blind)

#80732A

Tritanopia (blue-blind)

#59796D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #577f21;
/* rgb */ color: rgb(87, 127, 33);
/* oklch */ color: oklch(54.7% 0.129 130.0);

Tailwind

colors: {
  custom: {
    50: '#8aa463',
    500: '#577f21',
    950: '#000000',
  },
}

SCSS

$custom: #577f21;
$custom-light: #8aa463;
$custom-dark: #000000;

JSON

{
  "hex": "#577f21",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 33
  },
  "hsl": {
    "h": 85.532,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.54746,
    "c": 0.1294,
    "h": 130
  },
  "luminance": 0.17315
}

Semantic roles & 50–950 ramp

primary

#577F21

secondary

#764AB2

accent

#46E288

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C0F05

muted

#7D7F7A

Preview Lab

Preview with #577F21

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

Preview Lab → · Contrast checker → · Palette generator →