RAL 1003 Signal Yellow

Q: What are the RGB, HSL, and CMYK values of #E5BE01?

RGB(229, 190, 1), HSL(49.7, 99.1%, 45.1%), CMYK(0.0%, 17.0%, 99.6%, 10.2%).

Q: Does #E5BE01 meet WCAG contrast on white?

1.8:1 — WCAG AA fail, AAA fail for normal text.

#E5BE01

RAL color

RAL 1003 Signal Yellow (#E5BE01) is a vivid, high-visibility yellow from the RAL Classic system used in safety and warning applications across Europe. Signal Yellow is the standard for construction equipment, warning signs, and safety markings in EU regulations. Its clear, attention-commanding character is precisely calibrated for maximum visibility under varying light conditions.

Color Values

HEX

#E5BE01

RGB

229, 190, 1

HSL

49.7, 99.1%, 45.1%

HSV

49.7, 99.6%, 89.8%

CMYK

0.0%, 17.0%, 99.6%, 10.2%

OKLCH

0.8118 0.1663 93.9

Properties

Warm Light Nearest: RAL 1003 Signal Yellow

Color Psychology

Pure yellow is the most luminous color in the spectrum, instantly associated with sunshine, optimism, and alertness. It stimulates the nervous system and enhances concentration, which is why it appears on school buses and warning signs. Yellow demands attention faster than any other color.

Design Usage

Medium yellow is powerful for attention badges, star ratings, and highlight accents in otherwise neutral interfaces. It is one of the hardest colors to use as a primary brand color because of contrast limitations against white. Dark text on yellow achieves strong readability, making it effective for caution banners.