#ddff55 - Isotonic Water color

This color is a vivid yellow-green—think neon lime or chartreuse—radiating energetic, youthful brightness. It reads as fresh and citrusy, evoking spring foliage, young grass, and zesty lemons. High in luminance, it functions well as an attention-grabbing accent, pairing cleanly with charcoal, navy, or muted browns to ground its intensity. Use it to convey vitality, modernity, and playful optimism in branding, interiors, or digital UI elements where bold, lively contrast is desired.

#ddff55 color RGB value is 221, 255, 85, and the CMYK value is 0.133, 0.00, 0.667, 0.00. Alternative names for that color are: isotonic water, yellow, yellowgreen, pear, inch worm.

Open Color Palette Builder Open Color Wheel

Color Conversion

Name	Values	CSS
RGB(0-255)	221, 255, 85	rgb(221, 255, 85)
CMYK	0.133, 0.00, 0.667, 0.00	-
sRGB	0.867, 1.00, 0.333	rgb(86.7%, 100%, 33.3%)
Adobe® 98 RGB compatible	0.905, 1.00, 0.393	color(a98-rgb, 0.905, 1, 0.393)
HCT	122, 67.7, 95.0	color(--hct, 122, 46.7%, 95%)
HSL	72.0, 100, 66.7	hsl(72, 100%, 66.7%)
HSV	72.0, 66.7, 100	color(--hsv, 72, 66.7%, 100%)
HWB	72.0, 33.3, 0.00	hwb(72, 33.3%, 0%)
Lab	95.3, -27.5, 73.3	lab(95.3%, -27.5, 73.3)
P3	0.892, 0.996, 0.446	color(display-p3, 0.892, 0.996, 0.446)
XYZ D50	0.713, 0.883, 0.172	color(xyz-d50, 0.713, 0.883, 0.172)