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Colour

#A1BB00

  • #A1BB00
  • Yellow
  • Dark
  • Nearest: Yellow green

#A1BB00 is a yellow with RGB values 161, 187, 0 and HSL 68°, 100%, 37%. It is a dark colour, so black text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#A1BB00#A1BB00
HEX#A1BB00
RGBrgb(161, 187, 0)
RGB (0–1)0.6314, 0.7333, 0
RGB percentages63.1%, 73.3%, 0%
HSLhsl(68.3, 100%, 36.7%)
HSV / HSBhsv(68.3, 100%, 73.3%)
CMYK13.9%, 0%, 100%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,599,168
CSS custom property--colour: #A1BB00;

Brightness & contrast

Relative luminance0.43118WCAG 2.x, 0 is black and 1 is white
Perceived brightness168.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.62:1
Contrast with white2.18:1WCAG normal text: Fail
Contrast with black9.62:1WCAG normal text: AAA
Greyscale equivalent#A8A8A8
Inverted#5E44FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C8B000no red cones; affects about 1% of men; ΔE 22.5 from the original
Deuteranopia#C5B023no green cones; the most common form, about 1% of men; ΔE 22.3 from the original
Tritanopia#ABB09Fno blue cones; rare, and affects men and women equally; ΔE 68.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.18:1WCAG large text: Fail
Contrast with black, large text9.62:1WCAG large text: AAA

Named colours

Yellow green · ΔE 12.4Olivedrab · ΔE 28.4Olive · ΔE 29.6Green yellow · ΔE 33Gold · ΔE 33.8Yellow · ΔE 34.3
Nearest named CSS colourYellow green (#9ACD32)ΔE 12.43, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1A00BB
Analogous#BB7800, #43BB00
Triadic#00A1BB, #BB00A1
Split complementary#0043BB, #7800BB
Tetradic#00BB78, #1A00BB, #BB0043

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEFF88
Lighter +30%#E7FF55
Lighter +20%#E0FF22
Lighter +10%#CDEE00
Darker −10%#758800
Darker −20%#495500
Darker −30%#1D2200
Darker −40%#000000
More saturated +25%#A1BB00
Less saturated −25%#90A417

Channel breakdown

R161
G187
B0
Red161 (63.1%)
Green187 (73.3%)
Blue0 (0%)
Hue68.34°
Saturation (HSL)100%
Lightness36.67%
Dominant channelGreen
Hex per channelR A1 · G BB · B 00

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Every value on this page was computed from “a1bb00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.