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Colour

#121F1C

  • #121F1C
  • Cyan
  • Dark
  • Nearest: Black

#121F1C is a cyan with RGB values 18, 31, 28 and HSL 166°, 27%, 10%. It is a dark colour, so white text on it reaches 17:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#121F1C#121F1C
HEX#121F1C
RGBrgb(18, 31, 28)
RGB (0–1)0.0706, 0.1216, 0.1098
RGB percentages7.1%, 12.2%, 11%
HSLhsl(166.2, 26.5%, 9.6%)
HSV / HSBhsv(166.2, 41.9%, 12.2%)
CMYK41.9%, 0%, 9.7%, 87.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,187,612
CSS custom property--colour: #121F1C;

Brightness & contrast

Relative luminance0.01192WCAG 2.x, 0 is black and 1 is white
Perceived brightness27.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.96:1
Contrast with white16.96:1WCAG normal text: AAA
Contrast with black1.24:1WCAG normal text: Fail
Greyscale equivalent#1C1C1C
Inverted#EDE0E3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E1D1Cno red cones; affects about 1% of men; ΔE 6.8 from the original
Deuteranopia#1C1C1Cno green cones; the most common form, about 1% of men; ΔE 6.6 from the original
Tritanopia#0E1F1Eno blue cones; rare, and affects men and women equally; ΔE 2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.96:1WCAG large text: AAA
Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Black · ΔE 12.4Dark slate grey · ΔE 21.7Dim grey · ΔE 34.5Gray · ΔE 43.6Slate grey · ΔE 43.9Teal · ΔE 44.7
Nearest named CSS colourBlack (#000000)ΔE 12.39, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1F1215
Analogous#121F16, #121B1F
Triadic#1C121F, #1F1C12
Split complementary#1F121B, #1F1612
Tetradic#16121F, #1F1215, #1B1F12

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5DA091
Lighter +30%#4A8073
Lighter +20%#376056
Lighter +10%#253F39
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C251F
Less saturated −25%#181919

Channel breakdown

R18
G31
B28
Red18 (7.1%)
Green31 (12.2%)
Blue28 (11%)
Hue166.15°
Saturation (HSL)26.53%
Lightness9.61%
Dominant channelGreen
Hex per channelR 12 · G 1F · B 1C

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Every value on this page was computed from “121f1c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.