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Recognised as Colour

#99FF1B

  • #99FF1B
  • Green
  • Light
  • Nearest: Green yellow

#99FF1B is a green with RGB values 153, 255, 27 and HSL 87°, 100%, 55%. It is a light colour, so black text on it reaches 16.7:1 contrast (AAA for normal text). The nearest named colour is Green yellow.

Colour values

#99FF1B#99FF1B
HEX#99FF1B
RGBrgb(153, 255, 27)
RGB (0–1)0.6, 1, 0.1059
RGB percentages60%, 100%, 10.6%
HSLhsl(86.8, 100%, 55.3%)
HSV / HSBhsv(86.8, 89.4%, 100%)
CMYK40%, 0%, 89.4%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,092,315
CSS custom property--colour: #99FF1B;

Brightness & contrast

Relative luminance0.78371WCAG 2.x, 0 is black and 1 is white
Perceived brightness212.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.67:1
Contrast with white1.26:1WCAG normal text: Fail
Contrast with black16.67:1WCAG normal text: AAA
Greyscale equivalent#D9D9D9
Inverted#6600E4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFEA00no red cones; affects about 1% of men; ΔE 48.8 from the original
Deuteranopia#FCE23Fno green cones; the most common form, about 1% of men; ΔE 52.9 from the original
Tritanopia#9AF4D9no blue cones; rare, and affects men and women equally; ΔE 84.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.26:1WCAG large text: Fail
Contrast with black, large text16.67:1WCAG large text: AAA

Named colours

Green yellow · ΔE 7.8Lawn green · ΔE 8.3Chartreuse · ΔE 8.4Lime · ΔE 26.6Limegreen · ΔE 30.3Yellow green · ΔE 31.7
Nearest named CSS colourGreen yellow (#ADFF2F)ΔE 7.84, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#811BFF
Analogous#FFF31B, #27FF1B
Triadic#1B99FF, #FF1B99
Split complementary#1B27FF, #F31BFF
Tetradic#1BFFF3, #811BFF, #FF1B27

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F4FFE7
Lighter +30%#DDFFB4
Lighter +20%#C7FF81
Lighter +10%#B0FF4E
Darker −10%#80E700
Darker −20%#63B400
Darker −30%#478100
Darker −40%#2B4E00
More saturated +25%#99FF1B
Less saturated −25%#96E337

Channel breakdown

R153
G255
B27
Red153 (60%)
Green255 (100%)
Blue27 (10.6%)
Hue86.84°
Saturation (HSL)100%
Lightness55.29%
Dominant channelGreen
Hex per channelR 99 · G FF · B 1B

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Every value on this page was computed from “99ff1b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.