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Recognised as Colour

#1B5111

  • #1B5111
  • Green
  • Dark
  • Nearest: Dark olivegreen

#1B5111 is a green with RGB values 27, 81, 17 and HSL 111°, 65%, 19%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#1B5111#1B5111
HEX#1B5111
RGBrgb(27, 81, 17)
RGB (0–1)0.1059, 0.3176, 0.0667
RGB percentages10.6%, 31.8%, 6.7%
HSLhsl(110.6, 65.3%, 19.2%)
HSV / HSBhsv(110.6, 79%, 31.8%)
CMYK66.7%, 0%, 79%, 68.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,790,225
CSS custom property--colour: #1B5111;

Brightness & contrast

Relative luminance0.06158WCAG 2.x, 0 is black and 1 is white
Perceived brightness64 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.41:1
Contrast with white9.41:1WCAG normal text: AAA
Contrast with black2.23:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#E4AEEE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#534906no red cones; affects about 1% of men; ΔE 28.6 from the original
Deuteranopia#4D4517no green cones; the most common form, about 1% of men; ΔE 28.2 from the original
Tritanopia#134E44no blue cones; rare, and affects men and women equally; ΔE 31.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.41:1WCAG large text: AAA
Contrast with black, large text2.23:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 17.5Dark green · ΔE 17.7Sea green · ΔE 25.6Forest green · ΔE 31.3Olivedrab · ΔE 31.4Green · ΔE 32.6
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 17.52, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#471151
Analogous#3B5111, #115127
Triadic#111B51, #51111B
Split complementary#271151, #51113B
Tetradic#113B51, #471151, #512711

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#68DB53
Lighter +30%#45CF2C
Lighter +20%#37A523
Lighter +10%#297B1A
Darker −10%#0D2708
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#135D05
Less saturated −25%#23451D

Channel breakdown

R27
G81
B17
Red27 (10.6%)
Green81 (31.8%)
Blue17 (6.7%)
Hue110.63°
Saturation (HSL)65.31%
Lightness19.22%
Dominant channelGreen
Hex per channelR 1B · G 51 · B 11

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Every value on this page was computed from “1b5111” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.