#557F2B#557F2B

#557F2B is a mid, vivid yellow-green. Relative luminance 0.173; OKLCH L 54.7% C 0.123 H 131.9°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#557F2B
RGB	rgb(85, 127, 43)
HSL	hsl(90, 49%, 33%)
HSV	hsv(90, 66%, 50%)
CMYK	cmyk(33.1%, 0%, 66.1%, 50.2%)
CIE-LAB	lab(48.62, -29.29, 39.78)
CIE-LCH	lch(48.62, 49.40, 126.36°)
OKLab	oklab(54.71% -0.0822 0.0915)
OKLCH	oklch(54.71% 0.123 131.9)
XYZ	xyz(11.7716, 17.2840, 5.0010)
Luminance	0.1728 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557F2B #552B7F

analogous

#7F7F2B #557F2B #2B7F2B

triadic

#557F2B #2B557F #7F2B55

tetradic

#557F2B #2B7F7F #552B7F #7F2B2B

square

#557F2B #2B7F7F #552B7F #7F2B2B

split-complementary

#557F2B #2B2B7F #7F2B7F

monochromatic

#18240C #36511C #557F2B #74AD3A #92C85C

Accessibility & contrast

On white

4.71

#557F2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#557F2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557F2B

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557F2B	#FFFFFF	#000000	##FFFFFF
##557F2B	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847621

Deuteranopia (green-blind)

#7F7232

Tritanopia (blue-blind)

#567A6E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #557f2b;
/* rgb */ color: rgb(85, 127, 43);
/* oklch */ color: oklch(54.7% 0.123 131.9);

Tailwind

colors: {
  custom: {
    50: '#88a468',
    500: '#557f2b',
    950: '#000000',
  },
}

SCSS

$custom: #557f2b;
$custom-light: #88a468;
$custom-dark: #000000;

JSON

{
  "hex": "#557f2b",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 43
  },
  "hsl": {
    "h": 90,
    "s": 49.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.5471,
    "c": 0.12299,
    "h": 131.9
  },
  "luminance": 0.17284
}

Semantic roles & 50–950 ramp

primary

#557F2B

secondary

#8358AE

accent

#4FD994

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C0F06

muted

#7D7F7A

Preview Lab

Preview with #557F2B

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

Preview Lab → · Contrast checker → · Palette generator →