#577B25#577B25

#577B25 is a mid, vivid yellow-green. Relative luminance 0.163; OKLCH L 53.7% C 0.121 H 129.4°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#577B25
RGB	rgb(87, 123, 37)
HSL	hsl(85, 54%, 31%)
HSV	hsv(85, 70%, 48%)
CMYK	cmyk(29.3%, 0%, 69.9%, 51.8%)
CIE-LAB	lab(47.40, -27.07, 41.18)
CIE-LCH	lch(47.40, 49.28, 123.32°)
OKLab	oklab(53.74% -0.0768 0.0936)
OKLCH	oklch(53.74% 0.121 129.4)
XYZ	xyz(11.3473, 16.3254, 4.3032)
Luminance	0.1633 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B25 #49257B

analogous

#7B7425 #577B25 #2C7B25

triadic

#577B25 #25577B #7B2557

tetradic

#577B25 #257B74 #49257B #7B252C

square

#577B25 #257B74 #49257B #7B252C

split-complementary

#577B25 #252C7B #74257B

monochromatic

#141D09 #364C17 #577B25 #78AA33 #97CA50

Accessibility & contrast

On white

4.92

#577B25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#577B25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B25

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B25	#FFFFFF	#000000	##FFFFFF
##577B25	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817219

Deuteranopia (green-blind)

#7C702C

Tritanopia (blue-blind)

#5A766A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #577b25;
/* rgb */ color: rgb(87, 123, 37);
/* oklch */ color: oklch(53.7% 0.121 129.4);

Tailwind

colors: {
  custom: {
    50: '#89a165',
    500: '#577b25',
    950: '#000000',
  },
}

SCSS

$custom: #577b25;
$custom-light: #89a165;
$custom-dark: #000000;

JSON

{
  "hex": "#577b25",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 37
  },
  "hsl": {
    "h": 85.116,
    "s": 53.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.53735,
    "c": 0.12105,
    "h": 129.4
  },
  "luminance": 0.16326
}

Semantic roles & 50–950 ramp

primary

#577B25

secondary

#764FAD

accent

#4BDD88

background

#F8F9F6

surface

#F0F2EB

border

#CBCCC6

text

#0C0F06

muted

#7D7E7A

Preview Lab

Preview with #577B25

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

Preview Lab → · Contrast checker → · Palette generator →