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Colour

#51B264

  • #51B264
  • Green
  • Dark
  • Nearest: Medium seagreen

#51B264 is a green with RGB values 81, 178, 100 and HSL 132°, 39%, 51%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#51B264#51B264
HEX#51B264
RGBrgb(81, 178, 100)
RGB (0–1)0.3176, 0.698, 0.3922
RGB percentages31.8%, 69.8%, 39.2%
HSLhsl(131.8, 38.6%, 50.8%)
HSV / HSBhsv(131.8, 54.5%, 69.8%)
CMYK54.5%, 0%, 43.8%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,354,084
CSS custom property--colour: #51B264;

Brightness & contrast

Relative luminance0.3451WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.9:1
Contrast with white2.66:1WCAG normal text: Fail
Contrast with black7.9:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#AE4D9B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B4A45Eno red cones; affects about 1% of men; ΔE 42.3 from the original
Deuteranopia#A79B69no green cones; the most common form, about 1% of men; ΔE 42.5 from the original
Tritanopia#3DAF9Fno blue cones; rare, and affects men and women equally; ΔE 34 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.66:1WCAG large text: Fail
Contrast with black, large text7.9:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 7.6Sea green · ΔE 18.8Forest green · ΔE 20.5Light green · ΔE 21.9Medium aquamarine · ΔE 26.3Dark seagreen · ΔE 26.4
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 7.59, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B2519F
Analogous#6EB251, #51B295
Triadic#6451B2, #B26451
Split complementary#9451B2, #B2516E
Tetradic#516EB2, #B2519F, #B29551

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEF1E2
Lighter +30%#BBE1C2
Lighter +20%#98D1A3
Lighter +10%#74C283
Darker −10%#409050
Darker −20%#306D3C
Darker −30%#214929
Darker −40%#112615
More saturated +25%#32D151
Less saturated −25%#709377

Channel breakdown

R81
G178
B100
Red81 (31.8%)
Green178 (69.8%)
Blue100 (39.2%)
Hue131.75°
Saturation (HSL)38.65%
Lightness50.78%
Dominant channelGreen
Hex per channelR 51 · G B2 · B 64

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Every value on this page was computed from “51b264” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.