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Recognised as Colour

#1BBB5C

  • #1BBB5C
  • Green
  • Dark
  • Nearest: Medium seagreen

#1BBB5C is a green with RGB values 27, 187, 92 and HSL 144°, 75%, 42%. It is a dark colour, so black text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#1BBB5C#1BBB5C
HEX#1BBB5C
RGBrgb(27, 187, 92)
RGB (0–1)0.1059, 0.7333, 0.3608
RGB percentages10.6%, 73.3%, 36.1%
HSLhsl(144.4, 74.8%, 42%)
HSV / HSBhsv(144.4, 85.6%, 73.3%)
CMYK85.6%, 0%, 50.8%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,817,436
CSS custom property--colour: #1BBB5C;

Brightness & contrast

Relative luminance0.36546WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.31:1
Contrast with white2.53:1WCAG normal text: Fail
Contrast with black8.31:1WCAG normal text: AAA
Greyscale equivalent#929292
Inverted#E444A3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BCAA54no red cones; affects about 1% of men; ΔE 55.6 from the original
Deuteranopia#AB9E63no green cones; the most common form, about 1% of men; ΔE 55.7 from the original
Tritanopia#00B8A5no blue cones; rare, and affects men and women equally; ΔE 41.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.53:1WCAG large text: Fail
Contrast with black, large text8.31:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 17.1Forest green · ΔE 20.6Light green · ΔE 23.5Medium spring green · ΔE 23.8Green · ΔE 25.5Limegreen · ΔE 26.1
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 17.11, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB1B7A
Analogous#2ABB1B, #1BBBAC
Triadic#5C1BBB, #BB5C1B
Split complementary#AC1BBB, #BB1B2A
Tetradic#1B2ABB, #BB1B7A, #BBAC1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AFF3CB
Lighter +30%#82EDAD
Lighter +20%#55E790
Lighter +10%#29E073
Darker −10%#158E46
Darker −20%#0E6230
Darker −30%#08351A
Darker −40%#010904
More saturated +25%#00D657
Less saturated −25%#36A061

Channel breakdown

R27
G187
B92
Red27 (10.6%)
Green187 (73.3%)
Blue92 (36.1%)
Hue144.38°
Saturation (HSL)74.77%
Lightness41.96%
Dominant channelGreen
Hex per channelR 1B · G BB · B 5C

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Every value on this page was computed from “1bbb5c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.