#557F28#557F28

#557F28 is a mid, vivid yellow-green. Relative luminance 0.173; OKLCH L 54.7% C 0.125 H 131.5°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#557F28
RGB	rgb(85, 127, 40)
HSL	hsl(89, 52%, 33%)
HSV	hsv(89, 69%, 50%)
CMYK	cmyk(33.1%, 0%, 68.5%, 50.2%)
CIE-LAB	lab(48.59, -29.55, 41.10)
CIE-LCH	lch(48.59, 50.61, 125.71°)
OKLab	oklab(54.68% -0.0831 0.0939)
OKLCH	oklch(54.68% 0.125 131.5)
XYZ	xyz(11.7186, 17.2628, 4.7217)
Luminance	0.1726 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557F28 #52287F

analogous

#7F7E28 #557F28 #297F28

triadic

#557F28 #28557F #7F2855

tetradic

#557F28 #287F7E #52287F #7F2829

square

#557F28 #287F7E #52287F #7F2829

split-complementary

#557F28 #28297F #7E287F

monochromatic

#17220B #365019 #557F28 #74AE37 #93CA57

Accessibility & contrast

On white

4.72

#557F28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#557F28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557F28

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557F28	#FFFFFF	#000000	##FFFFFF
##557F28	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#85751C

Deuteranopia (green-blind)

#7F722F

Tritanopia (blue-blind)

#567A6D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #557f28;
/* rgb */ color: rgb(85, 127, 40);
/* oklch */ color: oklch(54.7% 0.125 131.5);

Tailwind

colors: {
  custom: {
    50: '#88a467',
    500: '#557f28',
    950: '#000000',
  },
}

SCSS

$custom: #557f28;
$custom-light: #88a467;
$custom-dark: #000000;

JSON

{
  "hex": "#557f28",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 40
  },
  "hsl": {
    "h": 88.966,
    "s": 52.096,
    "l": 32.745
  },
  "oklch": {
    "l": 0.5468,
    "c": 0.1254,
    "h": 131.5
  },
  "luminance": 0.17263
}

Semantic roles & 50–950 ramp

primary

#557F28

secondary

#8054AF

accent

#4CDC91

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C0F06

muted

#7D7F7A

Preview Lab

Preview with #557F28

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

Preview Lab → · Contrast checker → · Palette generator →