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Recognised as Colour

#51AF65

  • #51AF65
  • Green
  • Dark
  • Nearest: Medium seagreen

#51AF65 is a green with RGB values 81, 175, 101 and HSL 133°, 37%, 50%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#51AF65#51AF65
HEX#51AF65
RGBrgb(81, 175, 101)
RGB (0–1)0.3176, 0.6863, 0.3961
RGB percentages31.8%, 68.6%, 39.6%
HSLhsl(132.8, 37%, 50.2%)
HSV / HSBhsv(132.8, 53.7%, 68.6%)
CMYK53.7%, 0%, 42.3%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,353,317
CSS custom property--colour: #51AF65;

Brightness & contrast

Relative luminance0.33349WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.67:1
Contrast with white2.74:1WCAG normal text: Fail
Contrast with black7.67:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#AE509A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B1A260no red cones; affects about 1% of men; ΔE 40.9 from the original
Deuteranopia#A4996Ano green cones; the most common form, about 1% of men; ΔE 41.1 from the original
Tritanopia#3DAC9Dno blue cones; rare, and affects men and women equally; ΔE 32.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.74:1WCAG large text: Fail
Contrast with black, large text7.67:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 6.8Sea green · ΔE 16.7Forest green · ΔE 21.4Light green · ΔE 23.4Dark seagreen · ΔE 24.6Medium aquamarine · ΔE 24.8
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 6.82, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF519B
Analogous#6CAF51, #51AF94
Triadic#6551AF, #AF6551
Split complementary#9451AF, #AF516C
Tetradic#516CAF, #AF519B, #AF9451

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDEFE1
Lighter +30%#BADFC2
Lighter +20%#97CFA3
Lighter +10%#74BF84
Darker −10%#418C51
Darker −20%#31693D
Darker −30%#204729
Darker −40%#102414
More saturated +25%#31CF53
Less saturated −25%#718F77

Channel breakdown

R81
G175
B101
Red81 (31.8%)
Green175 (68.6%)
Blue101 (39.6%)
Hue132.77°
Saturation (HSL)37.01%
Lightness50.2%
Dominant channelGreen
Hex per channelR 51 · G AF · B 65

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Every value on this page was computed from “51af65” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.