#577B33#577B33

#577B33 is a mid, moderate yellow-green. Relative luminance 0.164; OKLCH L 53.9% C 0.109 H 131.3°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#577B33
RGB	rgb(87, 123, 51)
HSL	hsl(90, 41%, 34%)
HSV	hsv(90, 59%, 48%)
CMYK	cmyk(29.3%, 0%, 58.5%, 51.8%)
CIE-LAB	lab(47.53, -25.77, 34.76)
CIE-LCH	lch(47.53, 43.27, 126.54°)
OKLab	oklab(53.89% -0.0719 0.0817)
OKLCH	oklch(53.89% 0.109 131.3)
XYZ	xyz(11.6108, 16.4308, 5.6911)
Luminance	0.1643 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B33 #57337B

analogous

#7B7B33 #577B33 #337B33

triadic

#577B33 #33577B #7B3357

tetradic

#577B33 #337B7B #57337B #7B3333

square

#577B33 #337B7B #57337B #7B3333

split-complementary

#577B33 #33337B #7B337B

monochromatic

#1A240F #385021 #577B33 #76A645 #94C068

Accessibility & contrast

On white

4.90

#577B33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#577B33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B33

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B33	#FFFFFF	#000000	##FFFFFF
##577B33	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#80732C

Deuteranopia (green-blind)

#7B7038

Tritanopia (blue-blind)

#58766B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #577b33;
/* rgb */ color: rgb(87, 123, 51);
/* oklch */ color: oklch(53.9% 0.109 131.3);

Tailwind

colors: {
  custom: {
    50: '#89a16d',
    500: '#577b33',
    950: '#000000',
  },
}

SCSS

$custom: #577b33;
$custom-light: #89a16d;
$custom-dark: #000000;

JSON

{
  "hex": "#577b33",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 51
  },
  "hsl": {
    "h": 90,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.5389,
    "c": 0.10885,
    "h": 131.3
  },
  "luminance": 0.16431
}

Semantic roles & 50–950 ramp

primary

#577B33

secondary

#8562A8

accent

#57D194

background

#F8F9F6

surface

#F0F2EC

border

#CBCCC7

text

#0C0F07

muted

#7D7E7A

Preview Lab

Preview with #577B33

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

Preview Lab → · Contrast checker → · Palette generator →