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Recognised as Colour

#15FF55

  • #15FF55
  • Green
  • Light
  • Nearest: Spring green

#15FF55 is a green with RGB values 21, 255, 85 and HSL 136°, 100%, 54%. It is a light colour, so black text on it reaches 15.5:1 contrast (AAA for normal text). The nearest named colour is Spring green.

Colour values

#15FF55#15FF55
HEX#15FF55
RGBrgb(21, 255, 85)
RGB (0–1)0.0824, 1, 0.3333
RGB percentages8.2%, 100%, 33.3%
HSLhsl(136.4, 100%, 54.1%)
HSV / HSBhsv(136.4, 91.8%, 100%)
CMYK91.8%, 0%, 66.7%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,441,621
CSS custom property--colour: #15FF55;

Brightness & contrast

Relative luminance0.72335WCAG 2.x, 0 is black and 1 is white
Perceived brightness197.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.47:1
Contrast with white1.36:1WCAG normal text: Fail
Contrast with black15.47:1WCAG normal text: AAA
Greyscale equivalent#C1C1C1
Inverted#EA00AA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE73Eno red cones; affects about 1% of men; ΔE 74.1 from the original
Deuteranopia#ECD765no green cones; the most common form, about 1% of men; ΔE 75.3 from the original
Tritanopia#00F9DCno blue cones; rare, and affects men and women equally; ΔE 69.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.36:1WCAG large text: Fail
Contrast with black, large text15.47:1WCAG large text: AAA

Named colours

Spring green · ΔE 18.3Lime · ΔE 19Limegreen · ΔE 21.4Lawn green · ΔE 24.3Chartreuse · ΔE 25Green yellow · ΔE 33.8
Nearest named CSS colourSpring green (#00FF7F)ΔE 18.32, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF15BF
Analogous#4AFF15, #15FFCA
Triadic#5515FF, #FF5515
Split complementary#CA15FF, #FF154A
Tetradic#154AFF, #FF15BF, #FFCA15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1FFE9
Lighter +30%#AEFFC4
Lighter +20%#7BFF9F
Lighter +10%#48FF7A
Darker −10%#00E13E
Darker −20%#00AE30
Darker −30%#007B22
Darker −40%#004814
More saturated +25%#15FF55
Less saturated −25%#32E262

Channel breakdown

R21
G255
B85
Red21 (8.2%)
Green255 (100%)
Blue85 (33.3%)
Hue136.41°
Saturation (HSL)100%
Lightness54.12%
Dominant channelGreen
Hex per channelR 15 · G FF · B 55

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Every value on this page was computed from “15ff55” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.