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Colour

#121B01

  • #121B01
  • Green
  • Dark
  • Nearest: Black

#121B01 is a green with RGB values 18, 27, 1 and HSL 81°, 93%, 5%. It is a dark colour, so white text on it reaches 17.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#121B01#121B01
HEX#121B01
RGBrgb(18, 27, 1)
RGB (0–1)0.0706, 0.1059, 0.0039
RGB percentages7.1%, 10.6%, 0.4%
HSLhsl(80.8, 92.9%, 5.5%)
HSV / HSBhsv(80.8, 96.3%, 10.6%)
CMYK33.3%, 0%, 96.3%, 89.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,186,561
CSS custom property--colour: #121B01;

Brightness & contrast

Relative luminance0.00915WCAG 2.x, 0 is black and 1 is white
Perceived brightness22.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.75:1
Contrast with white17.75:1WCAG normal text: AAA
Contrast with black1.18:1WCAG normal text: Fail
Greyscale equivalent#171717
Inverted#EDE4FE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1D1800no red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#1C1802no green cones; the most common form, about 1% of men; ΔE 7.3 from the original
Tritanopia#131915no blue cones; rare, and affects men and women equally; ΔE 11.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.75:1WCAG large text: AAA
Contrast with black, large text1.18:1WCAG large text: Fail

Named colours

Black · ΔE 17Dark slate grey · ΔE 27.9Dim grey · ΔE 39.1Dark olivegreen · ΔE 40Gray · ΔE 47.7Teal · ΔE 49
Nearest named CSS colourBlack (#000000)ΔE 17.03, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0A011B
Analogous#1B1701, #051B01
Triadic#01121B, #1B0112
Split complementary#01051B, #17011B
Tetradic#011B17, #0A011B, #1B0105

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#95E008
Lighter +30%#74AF06
Lighter +20%#547D05
Lighter +10%#334C03
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#121C00
Less saturated −25%#111705

Channel breakdown

R18
G27
B1
Red18 (7.1%)
Green27 (10.6%)
Blue1 (0.4%)
Hue80.77°
Saturation (HSL)92.86%
Lightness5.49%
Dominant channelGreen
Hex per channelR 12 · G 1B · B 01

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Every value on this page was computed from “121b01” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.