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Recognised as Colour

#51B07E

  • #51B07E
  • Green
  • Dark
  • Nearest: Medium seagreen

#51B07E is a green with RGB values 81, 176, 126 and HSL 148°, 38%, 50%. 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

#51B07E#51B07E
HEX#51B07E
RGBrgb(81, 176, 126)
RGB (0–1)0.3176, 0.6902, 0.4941
RGB percentages31.8%, 69%, 49.4%
HSLhsl(148.4, 37.5%, 50.4%)
HSV / HSBhsv(148.4, 54%, 69%)
CMYK54%, 0%, 28.4%, 31%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,353,598
CSS custom property--colour: #51B07E;

Brightness & contrast

Relative luminance0.34306WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.86:1
Contrast with white2.67:1WCAG normal text: Fail
Contrast with black7.86:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#AE4F81

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AFA47Bno red cones; affects about 1% of men; ΔE 37.8 from the original
Deuteranopia#A19A81no green cones; the most common form, about 1% of men; ΔE 38.3 from the original
Tritanopia#33AFA3no blue cones; rare, and affects men and women equally; ΔE 21.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.67:1WCAG large text: Fail
Contrast with black, large text7.86:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 10.9Medium aquamarine · ΔE 13.9Sea green · ΔE 13.9Dark seagreen · ΔE 17.5Light seagreen · ΔE 23.7Turquoise · ΔE 27
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 10.9, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B05183
Analogous#53B051, #51B0AE
Triadic#7E51B0, #B07E51
Split complementary#AE51B0, #B05153
Tetradic#5153B0, #B05183, #B0AE51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDF0E6
Lighter +30%#BAE0CC
Lighter +20%#97D0B2
Lighter +10%#74C098
Darker −10%#408E65
Darker −20%#306B4C
Darker −30%#204833
Darker −40%#11241A
More saturated +25%#31D07C
Less saturated −25%#719080

Channel breakdown

R81
G176
B126
Red81 (31.8%)
Green176 (69%)
Blue126 (49.4%)
Hue148.42°
Saturation (HSL)37.55%
Lightness50.39%
Dominant channelGreen
Hex per channelR 51 · G B0 · B 7E

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Every value on this page was computed from “51b07e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.