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Recognised as Colour

#90DD51

  • #90DD51
  • Green
  • Light
  • Nearest: Yellow green

#90DD51 is a green with RGB values 144, 221, 81 and HSL 93°, 67%, 59%. It is a light colour, so black text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#90DD51#90DD51
HEX#90DD51
RGBrgb(144, 221, 81)
RGB (0–1)0.5647, 0.8667, 0.3176
RGB percentages56.5%, 86.7%, 31.8%
HSLhsl(93, 67.3%, 59.2%)
HSV / HSBhsv(93, 63.3%, 86.7%)
CMYK34.8%, 0%, 63.3%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,493,841
CSS custom property--colour: #90DD51;

Brightness & contrast

Relative luminance0.58236WCAG 2.x, 0 is black and 1 is white
Perceived brightness188.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.65:1
Contrast with white1.66:1WCAG normal text: Fail
Contrast with black12.65:1WCAG normal text: AAA
Greyscale equivalent#C3C3C3
Inverted#6F22AE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E5CD40no red cones; affects about 1% of men; ΔE 41.2 from the original
Deuteranopia#DBC75Cno green cones; the most common form, about 1% of men; ΔE 40.7 from the original
Tritanopia#90D5C0no blue cones; rare, and affects men and women equally; ΔE 59.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.66:1WCAG large text: Fail
Contrast with black, large text12.65:1WCAG large text: AAA

Named colours

Yellow green · ΔE 12Limegreen · ΔE 22.3Light green · ΔE 23.1Pale green · ΔE 23.1Green yellow · ΔE 25.8Olivedrab · ΔE 33.4
Nearest named CSS colourYellow green (#9ACD32)ΔE 11.97, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9E51DD
Analogous#D6DD51, #51DD58
Triadic#5190DD, #DD5190
Split complementary#5851DD, #DD51D6
Tetradic#51D6DD, #9E51DD, #DD5851

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFEFC
Lighter +30%#E2F6D1
Lighter +20%#C6EEA6
Lighter +10%#ABE57C
Darker −10%#75D229
Darker −20%#5DA721
Darker −30%#457D18
Darker −40%#2E5210
More saturated +25%#8DF737
Less saturated −25%#93C36B

Channel breakdown

R144
G221
B81
Red144 (56.5%)
Green221 (86.7%)
Blue81 (31.8%)
Hue93°
Saturation (HSL)67.31%
Lightness59.22%
Dominant channelGreen
Hex per channelR 90 · G DD · B 51

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Every value on this page was computed from “90dd51” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.