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Recognised as Colour

#283D01

  • #283D01
  • Green
  • Dark
  • Nearest: Dark olivegreen

#283D01 is a green with RGB values 40, 61, 1 and HSL 81°, 97%, 12%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#283D01#283D01
HEX#283D01
RGBrgb(40, 61, 1)
RGB (0–1)0.1569, 0.2392, 0.0039
RGB percentages15.7%, 23.9%, 0.4%
HSLhsl(81, 96.8%, 12.2%)
HSV / HSBhsv(81, 98.4%, 23.9%)
CMYK34.4%, 0%, 98.4%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,637,057
CSS custom property--colour: #283D01;

Brightness & contrast

Relative luminance0.03791WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.94:1
Contrast with white11.94:1WCAG normal text: AAA
Contrast with black1.76:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#D7C2FE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#413800no red cones; affects about 1% of men; ΔE 15.9 from the original
Deuteranopia#3E3607no green cones; the most common form, about 1% of men; ΔE 16 from the original
Tritanopia#2A3A32no blue cones; rare, and affects men and women equally; ΔE 29.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.94:1WCAG large text: AAA
Contrast with black, large text1.76:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 19.3Dark green · ΔE 30.5Dark slate grey · ΔE 36Sea green · ΔE 37.2Olivedrab · ΔE 38.3Olive · ΔE 39.3
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 19.27, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#16013D
Analogous#3D3401, #0A3D01
Triadic#01283D, #3D0128
Split complementary#010A3D, #34013D
Tetradic#013D34, #16013D, #3D010A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8FB0F
Lighter +30%#8BD403
Lighter +20%#6AA103
Lighter +10%#496F02
Darker −10%#070B00
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#283E00
Less saturated −25%#263509

Channel breakdown

R40
G61
B1
Red40 (15.7%)
Green61 (23.9%)
Blue1 (0.4%)
Hue81°
Saturation (HSL)96.77%
Lightness12.16%
Dominant channelGreen
Hex per channelR 28 · G 3D · B 01

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Every value on this page was computed from “283d01” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.