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Recognised as Colour

#51CA38

  • #51CA38
  • Green
  • Dark
  • Nearest: Limegreen

#51CA38 is a green with RGB values 81, 202, 56 and HSL 110°, 58%, 51%. It is a dark colour, so black text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#51CA38#51CA38
HEX#51CA38
RGBrgb(81, 202, 56)
RGB (0–1)0.3176, 0.7922, 0.2196
RGB percentages31.8%, 79.2%, 22%
HSLhsl(109.7, 57.9%, 50.6%)
HSV / HSBhsv(109.7, 72.3%, 79.2%)
CMYK59.9%, 0%, 72.3%, 20.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,360,184
CSS custom property--colour: #51CA38;

Brightness & contrast

Relative luminance0.44276WCAG 2.x, 0 is black and 1 is white
Perceived brightness162.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.86:1
Contrast with white2.13:1WCAG normal text: Fail
Contrast with black9.86:1WCAG normal text: AAA
Greyscale equivalent#A6A6A6
Inverted#AE35C7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CFB81Eno red cones; affects about 1% of men; ΔE 54.9 from the original
Deuteranopia#C0AE47no green cones; the most common form, about 1% of men; ΔE 54.2 from the original
Tritanopia#40C4AEno blue cones; rare, and affects men and women equally; ΔE 61.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.13:1WCAG large text: Fail
Contrast with black, large text9.86:1WCAG large text: AAA

Named colours

Limegreen · ΔE 7.6Yellow green · ΔE 23.3Spring green · ΔE 26.6Forest green · ΔE 28Green · ΔE 29Light green · ΔE 29.7
Nearest named CSS colourLimegreen (#32CD32)ΔE 7.64, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B138CA
Analogous#9ACA38, #38CA68
Triadic#3851CA, #CA3851
Split complementary#6838CA, #CA389A
Tetradic#389ACA, #B138CA, #CA6838

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEF5D9
Lighter +30%#BBEAB1
Lighter +20%#97DF89
Lighter +10%#74D560
Darker −10%#40A32C
Darker −20%#307B21
Darker −30%#205316
Darker −40%#112B0B
More saturated +25%#3CE919
Less saturated −25%#66AB58

Channel breakdown

R81
G202
B56
Red81 (31.8%)
Green202 (79.2%)
Blue56 (22%)
Hue109.73°
Saturation (HSL)57.94%
Lightness50.59%
Dominant channelGreen
Hex per channelR 51 · G CA · B 38

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Every value on this page was computed from “51ca38” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.