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Recognised as Colour

#1B231E

  • #1B231E
  • Green
  • Dark
  • Nearest: Black

#1B231E is a green with RGB values 27, 35, 30 and HSL 143°, 13%, 12%. It is a dark colour, so white text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1B231E#1B231E
HEX#1B231E
RGBrgb(27, 35, 30)
RGB (0–1)0.1059, 0.1373, 0.1176
RGB percentages10.6%, 13.7%, 11.8%
HSLhsl(142.5, 12.9%, 12.2%)
HSV / HSBhsv(142.5, 22.9%, 13.7%)
CMYK22.9%, 0%, 14.3%, 86.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,778,462
CSS custom property--colour: #1B231E;

Brightness & contrast

Relative luminance0.01529WCAG 2.x, 0 is black and 1 is white
Perceived brightness32.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.08:1
Contrast with white16.08:1WCAG normal text: AAA
Contrast with black1.31:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#E4DCE1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#23221Eno red cones; affects about 1% of men; ΔE 4.5 from the original
Deuteranopia#21211Eno green cones; the most common form, about 1% of men; ΔE 4.2 from the original
Tritanopia#1A2322no blue cones; rare, and affects men and women equally; ΔE 2.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.08:1WCAG large text: AAA
Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Black · ΔE 13.9Dark slate grey · ΔE 20.5Dim grey · ΔE 32.1Gray · ΔE 41.1Slate grey · ΔE 42.1Dark olivegreen · ΔE 43.2
Nearest named CSS colourBlack (#000000)ΔE 13.87, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#231B20
Analogous#1C231B, #1B2322
Triadic#1E1B23, #231E1B
Split complementary#221B23, #231B1C
Tetradic#1B1C23, #231B20, #23221B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#759581
Lighter +30%#5E7968
Lighter +20%#475D4F
Lighter +10%#314037
Darker −10%#050605
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#132B1C
Less saturated −25%#1F1F1F

Channel breakdown

R27
G35
B30
Red27 (10.6%)
Green35 (13.7%)
Blue30 (11.8%)
Hue142.5°
Saturation (HSL)12.9%
Lightness12.16%
Dominant channelGreen
Hex per channelR 1B · G 23 · B 1E

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Every value on this page was computed from “1b231e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.