#557F12#557F12

#557F12 is a mid, vivid yellow-green. Relative luminance 0.172; OKLCH L 54.5% C 0.139 H 129.7°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#557F12
RGB	rgb(85, 127, 18)
HSL	hsl(83, 75%, 28%)
HSV	hsv(83, 86%, 50%)
CMYK	cmyk(33.1%, 0%, 85.8%, 50.2%)
CIE-LAB	lab(48.45, -30.91, 48.89)
CIE-LCH	lch(48.45, 57.85, 122.30°)
OKLab	oklab(54.53% -0.0885 0.1068)
OKLCH	oklch(54.53% 0.139 129.7)
XYZ	xyz(11.4448, 17.1533, 3.2801)
Luminance	0.1715 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557F12 #3C127F

analogous

#7F7212 #557F12 #1F7F12

triadic

#557F12 #12557F #7F1255

tetradic

#557F12 #127F72 #3C127F #7F121F

square

#557F12 #127F72 #3C127F #7F121F

split-complementary

#557F12 #121F7F #72127F

monochromatic

#121B04 #31490A #557F12 #79B51A #9BE12B

Accessibility & contrast

On white

4.74

#557F12 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#557F12 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557F12

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557F12	#FFFFFF	#000000	##FFFFFF
##557F12	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857500

Deuteranopia (green-blind)

#80721F

Tritanopia (blue-blind)

#58796C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #557f12;
/* rgb */ color: rgb(85, 127, 18);
/* oklch */ color: oklch(54.5% 0.139 129.7);

Tailwind

colors: {
  custom: {
    50: '#89a45c',
    500: '#557f12',
    950: '#000000',
  },
}

SCSS

$custom: #557f12;
$custom-light: #89a45c;
$custom-dark: #000000;

JSON

{
  "hex": "#557f12",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 18
  },
  "hsl": {
    "h": 83.119,
    "s": 75.172,
    "l": 28.431
  },
  "oklch": {
    "l": 0.54525,
    "c": 0.1387,
    "h": 129.7
  },
  "luminance": 0.17154
}

Semantic roles & 50–950 ramp

primary

#557F12

secondary

#6838B5

accent

#36F27E

background

#F8FAF5

surface

#F0F4E9

border

#CBCEC5

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #557F12

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

Preview Lab → · Contrast checker → · Palette generator →