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Recognised as Colour

#B1FF09

  • #B1FF09
  • Green
  • Light
  • Nearest: Green yellow

#B1FF09 is a green with RGB values 177, 255, 9 and HSL 79°, 100%, 52%. It is a light colour, so black text on it reaches 17.2:1 contrast (AAA for normal text). The nearest named colour is Green yellow.

Colour values

#B1FF09#B1FF09
HEX#B1FF09
RGBrgb(177, 255, 9)
RGB (0–1)0.6941, 1, 0.0353
RGB percentages69.4%, 100%, 3.5%
HSLhsl(79, 100%, 51.8%)
HSV / HSBhsv(79, 96.5%, 100%)
CMYK30.6%, 0%, 96.5%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,665,161
CSS custom property--colour: #B1FF09;

Brightness & contrast

Relative luminance0.80887WCAG 2.x, 0 is black and 1 is white
Perceived brightness218.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 17.18:1
Contrast with white1.22:1WCAG normal text: Fail
Contrast with black17.18:1WCAG normal text: AAA
Greyscale equivalent#DDDDDD
Inverted#4E00F6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFEC00no red cones; affects about 1% of men; ΔE 39.6 from the original
Deuteranopia#FFE739no green cones; the most common form, about 1% of men; ΔE 43.6 from the original
Tritanopia#B7F3D9no blue cones; rare, and affects men and women equally; ΔE 86 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.22:1WCAG large text: Fail
Contrast with black, large text17.18:1WCAG large text: AAA

Named colours

Green yellow · ΔE 6Chartreuse · ΔE 16.4Lawn green · ΔE 16.5Yellow green · ΔE 29.7Yellow · ΔE 31.5Lime · ΔE 34.9
Nearest named CSS colourGreen yellow (#ADFF2F)ΔE 5.96, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5709FF
Analogous#FFD209, #36FF09
Triadic#09B1FF, #FF09B1
Split complementary#0936FF, #D209FF
Tetradic#09FFD2, #5709FF, #FF0936

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2FFD5
Lighter +30%#E2FFA2
Lighter +20%#D1FF6F
Lighter +10%#C1FF3C
Darker −10%#91D500
Darker −20%#6FA200
Darker −30%#4C6F00
Darker −40%#293C00
More saturated +25%#B1FF09
Less saturated −25%#A6E028

Channel breakdown

R177
G255
B9
Red177 (69.4%)
Green255 (100%)
Blue9 (3.5%)
Hue79.02°
Saturation (HSL)100%
Lightness51.76%
Dominant channelGreen
Hex per channelR B1 · G FF · B 09

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Every value on this page was computed from “b1ff09” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.