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Recognised as Colour

#66F101

  • #66F101
  • Green
  • Light
  • Nearest: Lawn green

#66F101 is a green with RGB values 102, 241, 1 and HSL 95°, 99%, 47%. It is a light colour, so black text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Lawn green.

Colour values

#66F101#66F101
HEX#66F101
RGBrgb(102, 241, 1)
RGB (0–1)0.4, 0.9451, 0.0039
RGB percentages40%, 94.5%, 0.4%
HSLhsl(94.8, 99.2%, 47.5%)
HSV / HSBhsv(94.8, 99.6%, 94.5%)
CMYK57.7%, 0%, 99.6%, 5.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,746,369
CSS custom property--colour: #66F101;

Brightness & contrast

Relative luminance0.65738WCAG 2.x, 0 is black and 1 is white
Perceived brightness192.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.15:1
Contrast with white1.48:1WCAG normal text: Fail
Contrast with black14.15:1WCAG normal text: AAA
Greyscale equivalent#C2C2C2
Inverted#990EFE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F9DB00no red cones; affects about 1% of men; ΔE 63.7 from the original
Deuteranopia#E8D036no green cones; the most common form, about 1% of men; ΔE 63.2 from the original
Tritanopia#59E8CDno blue cones; rare, and affects men and women equally; ΔE 83.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.48:1WCAG large text: Fail
Contrast with black, large text14.15:1WCAG large text: AAA

Named colours

Lawn green · ΔE 5.7Chartreuse · ΔE 6.9Lime · ΔE 16.7Green yellow · ΔE 18.8Limegreen · ΔE 23.6Spring green · ΔE 35.3
Nearest named CSS colourLawn green (#7CFC00)ΔE 5.72, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8C01F1
Analogous#DEF101, #01F114
Triadic#0166F1, #F10166
Split complementary#1401F1, #F101DE
Tetradic#01DEF1, #8C01F1, #F11401

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DAFFBF
Lighter +30%#BCFF8C
Lighter +20%#9FFE5A
Lighter +10%#81FE27
Darker −10%#51BE01
Darker −20%#3B8B01
Darker −30%#265900
Darker −40%#102600
More saturated +25%#66F200
Less saturated −25%#6BD31F

Channel breakdown

R102
G241
B1
Red102 (40%)
Green241 (94.5%)
Blue1 (0.4%)
Hue94.75°
Saturation (HSL)99.17%
Lightness47.45%
Dominant channelGreen
Hex per channelR 66 · G F1 · B 01

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Every value on this page was computed from “66f101” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.