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Recognised as Colour

#99A800

  • #99A800
  • Yellow
  • Dark
  • Nearest: Yellow green

#99A800 is a yellow with RGB values 153, 168, 0 and HSL 65°, 100%, 33%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#99A800#99A800
HEX#99A800
RGBrgb(153, 168, 0)
RGB (0–1)0.6, 0.6588, 0
RGB percentages60%, 65.9%, 0%
HSLhsl(65.4, 100%, 32.9%)
HSV / HSBhsv(65.4, 100%, 65.9%)
CMYK8.9%, 0%, 100%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,070,016
CSS custom property--colour: #99A800;

Brightness & contrast

Relative luminance0.34778WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.96:1
Contrast with white2.64:1WCAG normal text: Fail
Contrast with black7.96:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#6657FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B59F00no red cones; affects about 1% of men; ΔE 17.2 from the original
Deuteranopia#B4A01Eno green cones; the most common form, about 1% of men; ΔE 17.2 from the original
Tritanopia#A49D8Eno blue cones; rare, and affects men and women equally; ΔE 63 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.64:1WCAG large text: Fail
Contrast with black, large text7.96:1WCAG large text: AAA

Named colours

Yellow green · ΔE 19.1Olive · ΔE 20Olivedrab · ΔE 21.9Goldenrod · ΔE 31.3Dark khaki · ΔE 32.4Dark goldenrod · ΔE 33.2
Nearest named CSS colourYellow green (#9ACD32)ΔE 19.12, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0F00A8
Analogous#A86300, #45A800
Triadic#0099A8, #A80099
Split complementary#0045A8, #6300A8
Tetradic#00A863, #0F00A8, #A80045

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3FF75
Lighter +30%#EEFF42
Lighter +20%#EAFF0F
Lighter +10%#C7DB00
Darker −10%#6B7500
Darker −20%#3C4200
Darker −30%#0E0F00
Darker −40%#000000
More saturated +25%#99A800
Less saturated −25%#889315

Channel breakdown

R153
G168
B0
Red153 (60%)
Green168 (65.9%)
Blue0 (0%)
Hue65.36°
Saturation (HSL)100%
Lightness32.94%
Dominant channelGreen
Hex per channelR 99 · G A8 · B 00

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Every value on this page was computed from “99a800” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.