Yellow green RAL 6018
Color values
HEX #57A639
RGB 87, 166, 57
HSL 103°, 49%, 44%
Series Greens
All formats
HEX #57A639
RGB rgb(87, 166, 57)
HSL hsl(103, 49%, 44%)
CSS var --color: #57A639;
RAL RAL 6018
Color analysis
Temperature Cool
Luminance 30%
Saturation 49%
Brightness 65%
WCAG accessibility
On white background
Aa — The quick brown fox jumps over the lazy dog
3.04:1
AA Fail
AA large Pass
AAA Fail
AAA large Fail
On black background
Aa — The quick brown fox jumps over the lazy dog
6.92:1
AA Pass
AA large Pass
AAA Fail
AAA large Pass
Tint & shade scale
Use this color in other tools
Where it's used
A vivid yellow-green used in safety marking, high-visibility equipment, and garden tools. Pairs with RAL 9005 and RAL 9010.
About this color
RAL 6018 Yellow green is a RAL Classic color with HEX value #57A639, RGB(87, 166, 57), HSL(103°, 49%, 44%). It belongs to the Greens family (RAL 6xxx series). WCAG relative luminance: 30%. Contrast on white: 3.04:1. Contrast on black: 6.92:1.
FAQ
RAL 6018 Yellow green is a standardized color from the RAL Classic palette, used in industry, architecture, and design for consistent color communication. Its HEX value is #57A639, equivalent to RGB(87, 166, 57).
The HEX code of RAL 6018 Yellow green is #57A639. In CSS you can use it directly: color: #57A639; or background-color: #57A639;. Its RGB equivalent is rgb(87, 166, 57) and HSL is hsl(103, 49%, 44%).
RAL codes (e.g. RAL 6018) are physical paint standards created for industrial use — they define exact pigment formulations. HEX codes (e.g. #57A639) are digital representations for screens. The conversion is approximate: the same HEX can look different on screens vs. painted surfaces due to lighting, texture, and pigment variance.
WCAG contrast ratio compares the relative luminance of two colors: (L1+0.05)/(L2+0.05), where L is calculated from linearized RGB values. RAL 6018 Yellow green has a relative luminance of 30%, giving a contrast of 3.04:1 on white and 6.92:1 on black. AA requires ≥4.5:1 for normal text.
The HEX value #57A639 is the closest digital approximation of RAL 6018 Yellow green, but not an exact physical match. RAL colors are defined by spectrophotometric measurements of physical paint samples. On-screen rendering depends on your monitor calibration, color profile, and ambient lighting.
RAL 6018 Yellow green (HEX #57A639) is used in industrial coatings, architectural finishes, signage, and product design wherever greens tones are needed. RAL Classic codes are the standard reference in European manufacturing, construction, and powder coating industries.
RAL Classic contains 215 standardized colors organized into 9 series by hue family: yellows/beiges (1xxx), oranges (2xxx), reds (3xxx), violets (4xxx), blues (5xxx), greens (6xxx), greys (7xxx), browns (8xxx), and whites/blacks (9xxx). RAL 6018 belongs to the Greens family.