#577F1B#577F1B

#577F1B is a mid, vivid yellow-green. Relative luminance 0.173; OKLCH L 54.7% C 0.133 H 129.5°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#577F1B
RGB	rgb(87, 127, 27)
HSL	hsl(84, 65%, 30%)
HSV	hsv(84, 79%, 50%)
CMYK	cmyk(31.5%, 0%, 78.7%, 50.2%)
CIE-LAB	lab(48.62, -29.67, 46.30)
CIE-LCH	lch(48.62, 54.99, 122.65°)
OKLab	oklab(54.7% -0.0847 0.1027)
OKLCH	oklch(54.7% 0.133 129.5)
XYZ	xyz(11.7176, 17.2838, 3.7554)
Luminance	0.1728 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F1B #431B7F

analogous

#7F751B #577F1B #257F1B

triadic

#577F1B #1B577F #7F1B57

tetradic

#577F1B #1B7F75 #431B7F #7F1B25

square

#577F1B #1B7F75 #431B7F #7F1B25

split-complementary

#577F1B #1B257F #751B7F

monochromatic

#121A06 #344D10 #577F1B #7AB126 #99D63E

Accessibility & contrast

On white

4.71

#577F1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#577F1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577F1B

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F1B	#FFFFFF	#000000	##FFFFFF
##577F1B	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)

#857503

Deuteranopia (green-blind)

#807325

Tritanopia (blue-blind)

#5A796C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #577f1b;
/* rgb */ color: rgb(87, 127, 27);
/* oklch */ color: oklch(54.7% 0.133 129.5);

Tailwind

colors: {
  custom: {
    50: '#8aa460',
    500: '#577f1b',
    950: '#000000',
  },
}

SCSS

$custom: #577f1b;
$custom-light: #8aa460;
$custom-dark: #000000;

JSON

{
  "hex": "#577f1b",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 27
  },
  "hsl": {
    "h": 84,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.54703,
    "c": 0.13314,
    "h": 129.5
  },
  "luminance": 0.17284
}

Semantic roles & 50–950 ramp

primary

#577F1B

secondary

#7043B3

accent

#40E883

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #577F1B

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

Preview Lab → · Contrast checker → · Palette generator →