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Recognised as Colour

#99CF00

  • #99CF00
  • Green
  • Light
  • Nearest: Yellow green

#99CF00 is a green with RGB values 153, 207, 0 and HSL 76°, 100%, 41%. It is a light colour, so black text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#99CF00#99CF00
HEX#99CF00
RGBrgb(153, 207, 0)
RGB (0–1)0.6, 0.8118, 0
RGB percentages60%, 81.2%, 0%
HSLhsl(75.7, 100%, 40.6%)
HSV / HSBhsv(75.7, 100%, 81.2%)
CMYK26.1%, 0%, 100%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,080,000
CSS custom property--colour: #99CF00;

Brightness & contrast

Relative luminance0.51398WCAG 2.x, 0 is black and 1 is white
Perceived brightness179.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.28:1
Contrast with white1.86:1WCAG normal text: Fail
Contrast with black11.28:1WCAG normal text: AAA
Greyscale equivalent#B5B5B5
Inverted#6630FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#DBC000no red cones; affects about 1% of men; ΔE 35.1 from the original
Deuteranopia#D3BD2Ano green cones; the most common form, about 1% of men; ΔE 34.3 from the original
Tritanopia#A0C5B0no blue cones; rare, and affects men and women equally; ΔE 73.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.86:1WCAG large text: Fail
Contrast with black, large text11.28:1WCAG large text: AAA

Named colours

Yellow green · ΔE 10Green yellow · ΔE 20Limegreen · ΔE 30.7Lawn green · ΔE 31Chartreuse · ΔE 31.8Yellow · ΔE 33.2
Nearest named CSS colourYellow green (#9ACD32)ΔE 10.02, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3600CF
Analogous#CF9E00, #31CF00
Triadic#0099CF, #CF0099
Split complementary#0031CF, #9E00CF
Tetradic#00CF9E, #3600CF, #CF0031

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5FF9C
Lighter +30%#D8FF69
Lighter +20%#CBFF36
Lighter +10%#BDFF03
Darker −10%#739C00
Darker −20%#4E6900
Darker −30%#283600
Darker −40%#020300
More saturated +25%#99CF00
Less saturated −25%#8DB51A

Channel breakdown

R153
G207
B0
Red153 (60%)
Green207 (81.2%)
Blue0 (0%)
Hue75.65°
Saturation (HSL)100%
Lightness40.59%
Dominant channelGreen
Hex per channelR 99 · G CF · B 00

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Every value on this page was computed from “99cf00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.