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Recognised as Colour

#1BB520

  • #1BB520
  • Green
  • Dark
  • Nearest: Limegreen

#1BB520 is a green with RGB values 27, 181, 32 and HSL 122°, 74%, 41%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#1BB520#1BB520
HEX#1BB520
RGBrgb(27, 181, 32)
RGB (0–1)0.1059, 0.7098, 0.1255
RGB percentages10.6%, 71%, 12.5%
HSLhsl(121.9, 74%, 40.8%)
HSV / HSBhsv(121.9, 85.1%, 71%)
CMYK85.1%, 0%, 82.3%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,815,840
CSS custom property--colour: #1BB520;

Brightness & contrast

Relative luminance0.33385WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.68:1
Contrast with white2.74:1WCAG normal text: Fail
Contrast with black7.68:1WCAG normal text: AAA
Greyscale equivalent#8A8A8A
Inverted#E44ADF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B9A300no red cones; affects about 1% of men; ΔE 59.3 from the original
Deuteranopia#A99833no green cones; the most common form, about 1% of men; ΔE 58.7 from the original
Tritanopia#00AF9Ano blue cones; rare, and affects men and women equally; ΔE 62.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.74:1WCAG large text: Fail
Contrast with black, large text7.68:1WCAG large text: AAA

Named colours

Limegreen · ΔE 9.1Green · ΔE 23.7Forest green · ΔE 24.3Yellow green · ΔE 29.5Spring green · ΔE 29.8Medium spring green · ΔE 35.7
Nearest named CSS colourLimegreen (#32CD32)ΔE 9.11, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B51BB0
Analogous#63B51B, #1BB56D
Triadic#201BB5, #B5201B
Split complementary#6D1BB5, #B51B63
Tetradic#1B63B5, #B51BB0, #B56D1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AAF2AC
Lighter +30%#7DEC81
Lighter +20%#51E556
Lighter +10%#25DE2B
Darker −10%#148918
Darker −20%#0E5C10
Darker −30%#073008
Darker −40%#010301
More saturated +25%#01CF08
Less saturated −25%#359B38

Channel breakdown

R27
G181
B32
Red27 (10.6%)
Green181 (71%)
Blue32 (12.5%)
Hue121.95°
Saturation (HSL)74.04%
Lightness40.78%
Dominant channelGreen
Hex per channelR 1B · G B5 · B 20

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Every value on this page was computed from “1bb520” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.