#557F1F#557F1F

#557F1F is a mid, vivid yellow-green. Relative luminance 0.172; OKLCH L 54.6% C 0.132 H 130.6°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#557F1F
RGB	rgb(85, 127, 31)
HSL	hsl(86, 61%, 31%)
HSV	hsv(86, 76%, 50%)
CMYK	cmyk(33.1%, 0%, 75.6%, 50.2%)
CIE-LAB	lab(48.52, -30.22, 44.72)
CIE-LCH	lch(48.52, 53.97, 124.05°)
OKLab	oklab(54.6% -0.0857 0.1001)
OKLCH	oklch(54.6% 0.132 130.6)
XYZ	xyz(11.5829, 17.2086, 4.0074)
Luminance	0.1721 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557F1F #491F7F

analogous

#7F791F #557F1F #257F1F

triadic

#557F1F #1F557F #7F1F55

tetradic

#557F1F #1F7F79 #491F7F #7F1F25

square

#557F1F #1F7F79 #491F7F #7F1F25

split-complementary

#557F1F #1F257F #791F7F

monochromatic

#131D07 #344E13 #557F1F #76B02B #95D246

Accessibility & contrast

On white

4.73

#557F1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#557F1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557F1F

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557F1F	#FFFFFF	#000000	##FFFFFF
##557F1F	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#85750D

Deuteranopia (green-blind)

#7F7228

Tritanopia (blue-blind)

#57796C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #557f1f;
/* rgb */ color: rgb(85, 127, 31);
/* oklch */ color: oklch(54.6% 0.132 130.6);

Tailwind

colors: {
  custom: {
    50: '#89a462',
    500: '#557f1f',
    950: '#000000',
  },
}

SCSS

$custom: #557f1f;
$custom-light: #89a462;
$custom-dark: #000000;

JSON

{
  "hex": "#557f1f",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 31
  },
  "hsl": {
    "h": 86.25,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.54603,
    "c": 0.13182,
    "h": 130.6
  },
  "luminance": 0.17209
}

Semantic roles & 50–950 ramp

primary

#557F1F

secondary

#7648B2

accent

#44E48A

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C0F05

muted

#7D7F7A

Preview Lab

Preview with #557F1F

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

Preview Lab → · Contrast checker → · Palette generator →