#00ff55 - Cathode Green color

Vivid spring green with an electric, neon edge—basically a saturated lime leaning slightly toward cyan. It reads as intensely bright and fresh, evoking new foliage, tropical leaves, and energetic, youthful design. Its high chroma makes it an attention-grabbing accent that pops against dark or neutral backgrounds, but can overwhelm in large areas. Perceived as modern and digital, it conveys vitality, optimism, and a tech-forward aesthetic, pairing well with deep charcoal, navy, or muted pastels.

color #00ff55

#00ff55 color RGB value is 0, 255, 85, and the CMYK value is 1.00, 0.00, 0.667, 0.00. Alternative names for that color are: cathode green, green, springgreen, screamin' green, electric lime.

Color Conversion

Name
Values
CSS
RGB(0-255)
0, 255, 85
rgb(0, 255, 85)
CMYK
1.00, 0.00, 0.667, 0.00
-
sRGB
0.00, 1.00, 0.333
rgb(0% 100% 33.3%)
Adobe® 98 RGB compatible
0.565, 1.00, 0.393
color(a98-rgb 0.565 1 0.393)
HCT
147, 95.4, 88.1
color(--hct 147 65.8% 88.1%)
HSL
140, 100, 50.0
hsl(140 100% 50%)
HSV
140, 100, 100
color(--hsv 140 100% 100%)
HWB
140, 0.00, 0.00
hwb(140 0% 0%)
Lab
88.1, -76.3, 63.2
lab(88.1 -76.3 63.2)
P3
0.458, 0.985, 0.430
color(display-p3 0.458 0.985 0.43)
XYZ D50
0.398, 0.722, 0.162
color(xyz-d50 0.398 0.722 0.162)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#00ff55
RGB:0 255 85
HSL:140deg 100% 50%
HEX:#ff00aa
RGB:255 0 170
HSL:320deg 100% 50%

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