#577E63#577E63

#577E63 is a mid, moderate green. Relative luminance 0.178; OKLCH L 55.6% C 0.061 H 153.8°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#577E63
RGB	rgb(87, 126, 99)
HSL	hsl(138, 18%, 42%)
HSV	hsv(138, 31%, 49%)
CMYK	cmyk(31%, 0%, 21.4%, 50.6%)
CIE-LAB	lab(49.31, -19.72, 10.41)
CIE-LCH	lch(49.31, 22.30, 152.18°)
OKLab	oklab(55.6% -0.0544 0.0267)
OKLCH	oklch(55.6% 0.061 153.8)
XYZ	xyz(13.6427, 17.8482, 14.5282)
Luminance	0.1785 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E63 #7E5772

analogous

#5F7E57 #577E63 #577E77

triadic

#577E63 #63577E #7E6357

tetradic

#577E63 #575F7E #7E5772 #7E7757

square

#577E63 #575F7E #7E5772 #7E7757

split-complementary

#577E63 #77577E #7E575F

monochromatic

#25362A #3E5A47 #577E63 #749F81 #98B8A2

Accessibility & contrast

On white

4.60

#577E63 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#577E63 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577E63

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E63	#FFFFFF	#000000	##FFFFFF
##577E63	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E7862

Deuteranopia (green-blind)

#777364

Tritanopia (blue-blind)

#517D76

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #577e63;
/* rgb */ color: rgb(87, 126, 99);
/* oklch */ color: oklch(55.6% 0.061 153.8);

Tailwind

colors: {
  custom: {
    50: '#87a38f',
    500: '#577e63',
    950: '#000000',
  },
}

SCSS

$custom: #577e63;
$custom-light: #87a38f;
$custom-dark: #000000;

JSON

{
  "hex": "#577e63",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 99
  },
  "hsl": {
    "h": 138.462,
    "s": 18.31,
    "l": 41.765
  },
  "oklch": {
    "l": 0.55596,
    "c": 0.06062,
    "h": 153.8
  },
  "luminance": 0.17849
}

Semantic roles & 50–950 ramp

primary

#577E63

secondary

#A68B9D

accent

#6DA3BB

background

#F8FAF8

surface

#EFF4F0

border

#CACECB

text

#0B0F0C

muted

#7C7F7D

Preview Lab

Preview with #577E63

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

Preview Lab → · Contrast checker → · Palette generator →