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Recognised as Colour

#1B640B

  • #1B640B
  • Green
  • Dark
  • Nearest: Dark green

#1B640B is a green with RGB values 27, 100, 11 and HSL 109°, 80%, 22%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dark green.

Colour values

#1B640B#1B640B
HEX#1B640B
RGBrgb(27, 100, 11)
RGB (0–1)0.1059, 0.3922, 0.0431
RGB percentages10.6%, 39.2%, 4.3%
HSLhsl(109.2, 80.2%, 21.8%)
HSV / HSBhsv(109.2, 89%, 39.2%)
CMYK73%, 0%, 89%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,795,083
CSS custom property--colour: #1B640B;

Brightness & contrast

Relative luminance0.09372WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.31:1
Contrast with white7.31:1WCAG normal text: AAA
Contrast with black2.87:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#E49BF4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#675A00no red cones; affects about 1% of men; ΔE 35.9 from the original
Deuteranopia#5E5417no green cones; the most common form, about 1% of men; ΔE 35.5 from the original
Tritanopia#0B6154no blue cones; rare, and affects men and women equally; ΔE 40.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.31:1WCAG large text: AAA
Contrast with black, large text2.87:1WCAG large text: Fail

Named colours

Dark green · ΔE 5.1Forest green · ΔE 18.4Green · ΔE 19.1Dark olivegreen · ΔE 22.6Olivedrab · ΔE 23.3Sea green · ΔE 24.4
Nearest named CSS colourDark green (#006400)ΔE 5.15, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#540B64
Analogous#48640B, #0B6428
Triadic#0B1B64, #640B1B
Split complementary#270B64, #640B48
Tetradic#0B4864, #540B64, #64270B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6BEC4F
Lighter +30%#45E721
Lighter +20%#34C015
Lighter +10%#279210
Darker −10%#0F3606
Darker −20%#020801
Darker −30%#000000
Darker −40%#000000
More saturated +25%#146F00
Less saturated −25%#245619

Channel breakdown

R27
G100
B11
Red27 (10.6%)
Green100 (39.2%)
Blue11 (4.3%)
Hue109.21°
Saturation (HSL)80.18%
Lightness21.76%
Dominant channelGreen
Hex per channelR 1B · G 64 · B 0B

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Every value on this page was computed from “1b640b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.