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Colour

#1B2A01

  • #1B2A01
  • Green
  • Dark
  • Nearest: Dark olivegreen

#1B2A01 is a green with RGB values 27, 42, 1 and HSL 82°, 95%, 8%. It is a dark colour, so white text on it reaches 15.2:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#1B2A01#1B2A01
HEX#1B2A01
RGBrgb(27, 42, 1)
RGB (0–1)0.1059, 0.1647, 0.0039
RGB percentages10.6%, 16.5%, 0.4%
HSLhsl(82, 95.3%, 8.4%)
HSV / HSBhsv(82, 97.6%, 16.5%)
CMYK35.7%, 0%, 97.6%, 83.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,780,225
CSS custom property--colour: #1B2A01;

Brightness & contrast

Relative luminance0.01891WCAG 2.x, 0 is black and 1 is white
Perceived brightness35.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.24:1
Contrast with white15.24:1WCAG normal text: AAA
Contrast with black1.38:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#E4D5FE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D2600no red cones; affects about 1% of men; ΔE 12.4 from the original
Deuteranopia#2B2504no green cones; the most common form, about 1% of men; ΔE 12.3 from the original
Tritanopia#1C2722no blue cones; rare, and affects men and women equally; ΔE 20.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.24:1WCAG large text: AAA
Contrast with black, large text1.38:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 29.3Black · ΔE 29.4Dark slate grey · ΔE 29.8Dim grey · ΔE 38.9Dark green · ΔE 41.8Sea green · ΔE 44.7
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 29.34, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#10012A
Analogous#2A2401, #072A01
Triadic#011B2A, #2A011B
Split complementary#01062A, #25012A
Tetradic#012A25, #10012A, #2A0106

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BF106
Lighter +30%#7BBF05
Lighter +20%#5B8E03
Lighter +10%#3B5C02
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1B2B00
Less saturated −25%#1A2506

Channel breakdown

R27
G42
B1
Red27 (10.6%)
Green42 (16.5%)
Blue1 (0.4%)
Hue81.95°
Saturation (HSL)95.35%
Lightness8.43%
Dominant channelGreen
Hex per channelR 1B · G 2A · B 01

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Every value on this page was computed from “1b2a01” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.