#577B2B#577B2B

#577B2B is a mid, moderate yellow-green. Relative luminance 0.164; OKLCH L 53.8% C 0.116 H 130.1°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#577B2B
RGB	rgb(87, 123, 43)
HSL	hsl(87, 48%, 33%)
HSV	hsv(87, 65%, 48%)
CMYK	cmyk(29.3%, 0%, 65%, 51.8%)
CIE-LAB	lab(47.45, -26.56, 38.55)
CIE-LCH	lch(47.45, 46.81, 124.57°)
OKLab	oklab(53.8% -0.0748 0.0889)
OKLCH	oklch(53.8% 0.116 130.1)
XYZ	xyz(11.4494, 16.3663, 4.8408)
Luminance	0.1637 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B2B #4F2B7B

analogous

#7B772B #577B2B #2F7B2B

triadic

#577B2B #2B577B #7B2B57

tetradic

#577B2B #2B7B77 #4F2B7B #7B2B2F

square

#577B2B #2B7B77 #4F2B7B #7B2B2F

split-complementary

#577B2B #2B2F7B #772B7B

monochromatic

#17200B #374E1B #577B2B #77A83B #96C65B

Accessibility & contrast

On white

4.91

#577B2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#577B2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B2B

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B2B	#FFFFFF	#000000	##FFFFFF
##577B2B	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817221

Deuteranopia (green-blind)

#7C7031

Tritanopia (blue-blind)

#59766A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #577b2b;
/* rgb */ color: rgb(87, 123, 43);
/* oklch */ color: oklch(53.8% 0.116 130.1);

Tailwind

colors: {
  custom: {
    50: '#89a168',
    500: '#577b2b',
    950: '#000000',
  },
}

SCSS

$custom: #577b2b;
$custom-light: #89a168;
$custom-dark: #000000;

JSON

{
  "hex": "#577b2b",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 43
  },
  "hsl": {
    "h": 87,
    "s": 48.193,
    "l": 32.549
  },
  "oklch": {
    "l": 0.53795,
    "c": 0.11617,
    "h": 130.1
  },
  "luminance": 0.16367
}

Semantic roles & 50–950 ramp

primary

#577B2B

secondary

#7D56AB

accent

#50D88D

background

#F8F9F6

surface

#F0F2EB

border

#CBCCC6

text

#0C0F06

muted

#7D7E7A

Preview Lab

Preview with #577B2B

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

Preview Lab → · Contrast checker → · Palette generator →