#557A18#557A18

#557A18 is a mid, vivid yellow-green. Relative luminance 0.159; OKLCH L 53.2% C 0.129 H 128.8°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX#557A18
RGBrgb(85, 122, 24)
HSLhsl(83, 67%, 29%)
HSVhsv(83, 80%, 48%)
CMYKcmyk(30.3%, 0%, 80.3%, 52.2%)
CIE-LABlab(46.86, -28.26, 45.63)
CIE-LCHlch(46.86, 53.68, 121.77°)
OKLaboklab(53.24% -0.081 0.1009)
OKLCHoklch(53.24% 0.129 128.8)
XYZxyz(10.8707, 15.9160, 3.3633)
Luminance0.1592 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#557A18 #3D187A
analogous
#7A6E18 #557A18 #247A18
triadic
#557A18 #18557A #7A1855
tetradic
#557A18 #187A6E #3D187A #7A1824
square
#557A18 #187A6E #3D187A #7A1824
split-complementary
#557A18 #18247A #6E187A
monochromatic
#121A05 #31470E #557A18 #79AD22 #9AD735

Accessibility & contrast

On white

5.02
#557A18 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.18
#557A18 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557A18
5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##557A18#FFFFFF#000000##FFFFFF
##557A181.005.024.185.02
#FFFFFF5.021.0021.001.00
#0000004.1821.001.0021.00
##FFFFFF5.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#807100
Deuteranopia (green-blind)
#7B6E22
Tritanopia (blue-blind)
#587468
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #557a18;
/* rgb */ color: rgb(85, 122, 24);
/* oklch */ color: oklch(53.2% 0.129 128.8);
Tailwind
colors: {
  custom: {
    50: '#89a05e',
    500: '#557a18',
    950: '#000000',
  },
}
SCSS
$custom: #557a18;
$custom-light: #89a05e;
$custom-dark: #000000;
JSON
{
  "hex": "#557a18",
  "rgb": {
    "r": 85,
    "g": 122,
    "b": 24
  },
  "hsl": {
    "h": 82.653,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.5324,
    "c": 0.12935,
    "h": 128.8
  },
  "luminance": 0.15916
}

Semantic roles & 50–950 ramp

primary
#557A18
secondary
#693FAF
accent
#3EEA7F
background
#F8F9F5
surface
#F0F2E9
border
#CBCCC5
text
#0C0E05
muted
#7D7E79

Preview Lab

Preview with #557A18

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

Preview Lab → · Contrast checker → · Palette generator →

#557A18 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva