#577F23#577F23

#577F23 is a mid, vivid yellow-green. Relative luminance 0.173; OKLCH L 54.8% C 0.128 H 130.2°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#577F23
RGB	rgb(87, 127, 35)
HSL	hsl(86, 57%, 32%)
HSV	hsv(86, 72%, 50%)
CMYK	cmyk(31.5%, 0%, 72.4%, 50.2%)
CIE-LAB	lab(48.67, -29.15, 43.33)
CIE-LCH	lch(48.67, 52.22, 123.93°)
OKLab	oklab(54.76% -0.0826 0.0978)
OKLCH	oklch(54.76% 0.128 130.2)
XYZ	xyz(11.8232, 17.3260, 4.3111)
Luminance	0.1733 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F23 #4B237F

analogous

#7F7923 #577F23 #297F23

triadic

#577F23 #23577F #7F2357

tetradic

#577F23 #237F79 #4B237F #7F2329

square

#577F23 #237F79 #4B237F #7F2329

split-complementary

#577F23 #23297F #79237F

monochromatic

#151F09 #364F16 #577F23 #78AF30 #97CE4E

Accessibility & contrast

On white

4.70

#577F23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#577F23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577F23

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F23	#FFFFFF	#000000	##FFFFFF
##577F23	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857514

Deuteranopia (green-blind)

#7F732B

Tritanopia (blue-blind)

#59796D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #577f23;
/* rgb */ color: rgb(87, 127, 35);
/* oklch */ color: oklch(54.8% 0.128 130.2);

Tailwind

colors: {
  custom: {
    50: '#8aa464',
    500: '#577f23',
    950: '#000000',
  },
}

SCSS

$custom: #577f23;
$custom-light: #8aa464;
$custom-dark: #000000;

JSON

{
  "hex": "#577f23",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 35
  },
  "hsl": {
    "h": 86.087,
    "s": 56.79,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54762,
    "c": 0.12803,
    "h": 130.2
  },
  "luminance": 0.17326
}

Semantic roles & 50–950 ramp

primary

#577F23

secondary

#784CB1

accent

#48E08A

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C0F06

muted

#7D7F7A

Preview Lab

Preview with #577F23

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

Preview Lab → · Contrast checker → · Palette generator →