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Recognised as Colour

#313A01

  • #313A01
  • Yellow
  • Dark
  • Nearest: Dark olivegreen

#313A01 is a yellow with RGB values 49, 58, 1 and HSL 69°, 97%, 12%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#313A01#313A01
HEX#313A01
RGBrgb(49, 58, 1)
RGB (0–1)0.1922, 0.2275, 0.0039
RGB percentages19.2%, 22.7%, 0.4%
HSLhsl(69.5, 96.6%, 11.6%)
HSV / HSBhsv(69.5, 98.3%, 22.7%)
CMYK15.5%, 0%, 98.3%, 77.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,226,113
CSS custom property--colour: #313A01;

Brightness & contrast

Relative luminance0.03681WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.1:1
Contrast with white12.1:1WCAG normal text: AAA
Contrast with black1.74:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#CEC5FE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F3600no red cones; affects about 1% of men; ΔE 9.9 from the original
Deuteranopia#3E3606no green cones; the most common form, about 1% of men; ΔE 9.8 from the original
Tritanopia#353630no blue cones; rare, and affects men and women equally; ΔE 28.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.1:1WCAG large text: AAA
Contrast with black, large text1.74:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 20.7Dark slate grey · ΔE 35.3Dark green · ΔE 35.9Olive · ΔE 39.3Dim grey · ΔE 39.4Black · ΔE 39.8
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 20.74, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0A013A
Analogous#3A2601, #153A01
Triadic#01313A, #3A0131
Split complementary#01153A, #26013A
Tetradic#013A26, #0A013A, #3A0115

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5FB0C
Lighter +30%#B0D004
Lighter +20%#869E03
Lighter +10%#5B6C02
Darker −10%#070800
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#323B00
Less saturated −25%#2C3308

Channel breakdown

R49
G58
B1
Red49 (19.2%)
Green58 (22.7%)
Blue1 (0.4%)
Hue69.47°
Saturation (HSL)96.61%
Lightness11.57%
Dominant channelGreen
Hex per channelR 31 · G 3A · B 01

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Every value on this page was computed from “313a01” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.