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Recognised as Colour

#1A1B17

  • #1A1B17
  • Green
  • Dark
  • Nearest: Black

#1A1B17 is a green with RGB values 26, 27, 23 and HSL 75°, 8%, 10%. It is a dark colour, so white text on it reaches 17.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1A1B17#1A1B17
HEX#1A1B17
RGBrgb(26, 27, 23)
RGB (0–1)0.102, 0.1059, 0.0902
RGB percentages10.2%, 10.6%, 9%
HSLhsl(75, 8%, 9.8%)
HSV / HSBhsv(75, 14.8%, 10.6%)
CMYK3.7%, 0%, 14.8%, 89.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,710,871
CSS custom property--colour: #1A1B17;

Brightness & contrast

Relative luminance0.01065WCAG 2.x, 0 is black and 1 is white
Perceived brightness26.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.31:1
Contrast with white17.31:1WCAG normal text: AAA
Contrast with black1.21:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#E5E4E8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1C1B17no red cones; affects about 1% of men; ΔE 1.1 from the original
Deuteranopia#1B1B17no green cones; the most common form, about 1% of men; ΔE 0.5 from the original
Tritanopia#1A1B1Ano blue cones; rare, and affects men and women equally; ΔE 2.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.31:1WCAG large text: AAA
Contrast with black, large text1.21:1WCAG large text: Fail

Named colours

Black · ΔE 10Dark slate grey · ΔE 24.9Dim grey · ΔE 35Gray · ΔE 44.2Slate grey · ΔE 45.3Dark olivegreen · ΔE 46.4
Nearest named CSS colourBlack (#000000)ΔE 9.99, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#18171B
Analogous#1B1A17, #181B17
Triadic#171A1B, #1B171A
Split complementary#17181B, #1A171B
Tetradic#171B1A, #18171B, #1B1718

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#848975
Lighter +30%#6A6E5D
Lighter +20%#4F5246
Lighter +10%#35372E
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1D2111
Less saturated −25%#191919

Channel breakdown

R26
G27
B23
Red26 (10.2%)
Green27 (10.6%)
Blue23 (9%)
Hue75°
Saturation (HSL)8%
Lightness9.8%
Dominant channelGreen
Hex per channelR 1A · G 1B · B 17

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Every value on this page was computed from “1a1b17” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.