#577B50#577B50

#577B50 is a mid, moderate green. Relative luminance 0.168; OKLCH L 54.4% C 0.077 H 140.4°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#577B50
RGB	rgb(87, 123, 80)
HSL	hsl(110, 21%, 40%)
HSV	hsv(110, 35%, 48%)
CMYK	cmyk(29.3%, 0%, 35%, 51.8%)
CIE-LAB	lab(47.97, -21.73, 19.55)
CIE-LCH	lch(47.97, 29.23, 138.01°)
OKLab	oklab(54.38% -0.0592 0.0489)
OKLCH	oklch(54.38% 0.077 140.4)
XYZ	xyz(12.4610, 16.7709, 10.1684)
Luminance	0.1677 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B50 #74507B

analogous

#6C7B50 #577B50 #507B5F

triadic

#577B50 #50577B #7B5057

tetradic

#577B50 #506C7B #74507B #7B5F50

square

#577B50 #506C7B #74507B #7B5F50

split-complementary

#577B50 #5F507B #7B506C

monochromatic

#233120 #3D5638 #577B50 #739E6A #96B68F

Accessibility & contrast

On white

4.82

#577B50 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#577B50 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B50

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B50	#FFFFFF	#000000	##FFFFFF
##577B50	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D744D

Deuteranopia (green-blind)

#787152

Tritanopia (blue-blind)

#557870

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #577b50;
/* rgb */ color: rgb(87, 123, 80);
/* oklch */ color: oklch(54.4% 0.077 140.4);

Tailwind

colors: {
  custom: {
    50: '#87a181',
    500: '#577b50',
    950: '#000000',
  },
}

SCSS

$custom: #577b50;
$custom-light: #87a181;
$custom-dark: #000000;

JSON

{
  "hex": "#577b50",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 80
  },
  "hsl": {
    "h": 110.233,
    "s": 21.182,
    "l": 39.804
  },
  "oklch": {
    "l": 0.54384,
    "c": 0.07684,
    "h": 140.4
  },
  "luminance": 0.16771
}

Semantic roles & 50–950 ramp

primary

#577B50

secondary

#9E83A3

accent

#6ABEB0

background

#F8F9F7

surface

#F0F2EE

border

#CBCCC9

text

#0B0F0A

muted

#7C7E7C

Preview Lab

Preview with #577B50

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

Preview Lab → · Contrast checker → · Palette generator →