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Colour

#121C03

  • #121C03
  • Green
  • Dark
  • Nearest: Black

#121C03 is a green with RGB values 18, 28, 3 and HSL 84°, 81%, 6%. It is a dark colour, so white text on it reaches 17.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#121C03#121C03
HEX#121C03
RGBrgb(18, 28, 3)
RGB (0–1)0.0706, 0.1098, 0.0118
RGB percentages7.1%, 11%, 1.2%
HSLhsl(84, 80.6%, 6.1%)
HSV / HSBhsv(84, 89.3%, 11%)
CMYK35.7%, 0%, 89.3%, 89%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,186,819
CSS custom property--colour: #121C03;

Brightness & contrast

Relative luminance0.00966WCAG 2.x, 0 is black and 1 is white
Perceived brightness23.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.6:1
Contrast with white17.6:1WCAG normal text: AAA
Contrast with black1.19:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#EDE3FC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E1901no red cones; affects about 1% of men; ΔE 8.2 from the original
Deuteranopia#1D1904no green cones; the most common form, about 1% of men; ΔE 8 from the original
Tritanopia#131A17no blue cones; rare, and affects men and women equally; ΔE 12 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.6:1WCAG large text: AAA
Contrast with black, large text1.19:1WCAG large text: Fail

Named colours

Black · ΔE 17.4Dark slate grey · ΔE 27.4Dim grey · ΔE 38.8Dark olivegreen · ΔE 39.6Gray · ΔE 47.3Teal · ΔE 48.4
Nearest named CSS colourBlack (#000000)ΔE 17.41, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0D031C
Analogous#1C1A03, #061C03
Triadic#03121C, #1C0312
Split complementary#03061C, #1A031C
Tetradic#031C19, #0D031C, #1C0305

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#88D417
Lighter +30%#6BA612
Lighter +20%#4D780D
Lighter +10%#304A08
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#131F00
Less saturated −25%#111807

Channel breakdown

R18
G28
B3
Red18 (7.1%)
Green28 (11%)
Blue3 (1.2%)
Hue84°
Saturation (HSL)80.65%
Lightness6.08%
Dominant channelGreen
Hex per channelR 12 · G 1C · B 03

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Every value on this page was computed from “121c03” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.