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Recognised as Colour

#B9FF09

  • #B9FF09
  • Green
  • Light
  • Nearest: Green yellow

#B9FF09 is a green with RGB values 185, 255, 9 and HSL 77°, 100%, 52%. It is a light colour, so black text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Green yellow.

Colour values

#B9FF09#B9FF09
HEX#B9FF09
RGBrgb(185, 255, 9)
RGB (0–1)0.7255, 1, 0.0353
RGB percentages72.5%, 100%, 3.5%
HSLhsl(77.1, 100%, 51.8%)
HSV / HSBhsv(77.1, 96.5%, 100%)
CMYK27.5%, 0%, 96.5%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,189,449
CSS custom property--colour: #B9FF09;

Brightness & contrast

Relative luminance0.81854WCAG 2.x, 0 is black and 1 is white
Perceived brightness220 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 17.37:1
Contrast with white1.21:1WCAG normal text: Fail
Contrast with black17.37:1WCAG normal text: AAA
Greyscale equivalent#DEDEDE
Inverted#4600F6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFEC00no red cones; affects about 1% of men; ΔE 36.7 from the original
Deuteranopia#FFE838no green cones; the most common form, about 1% of men; ΔE 40.2 from the original
Tritanopia#C1F3D9no blue cones; rare, and affects men and women equally; ΔE 85.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.21:1WCAG large text: Fail
Contrast with black, large text17.37:1WCAG large text: AAA

Named colours

Green yellow · ΔE 7.3Chartreuse · ΔE 19.4Lawn green · ΔE 19.5Yellow · ΔE 28.5Yellow green · ΔE 29.1Lime · ΔE 37.8
Nearest named CSS colourGreen yellow (#ADFF2F)ΔE 7.34, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4F09FF
Analogous#FFCA09, #3EFF09
Triadic#09B9FF, #FF09B9
Split complementary#093EFF, #CA09FF
Tetradic#09FFCA, #4F09FF, #FF093E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3FFD5
Lighter +30%#E5FFA2
Lighter +20%#D6FF6F
Lighter +10%#C8FF3C
Darker −10%#98D500
Darker −20%#74A200
Darker −30%#4F6F00
Darker −40%#2B3C00
More saturated +25%#B9FF09
Less saturated −25%#ACE028

Channel breakdown

R185
G255
B9
Red185 (72.5%)
Green255 (100%)
Blue9 (3.5%)
Hue77.07°
Saturation (HSL)100%
Lightness51.76%
Dominant channelGreen
Hex per channelR B9 · G FF · B 09

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Every value on this page was computed from “b9ff09” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.