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Recognised as Colour

#1D2103

  • #1D2103
  • Yellow
  • Dark
  • Nearest: Black

#1D2103 is a yellow with RGB values 29, 33, 3 and HSL 68°, 83%, 7%. It is a dark colour, so white text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1D2103#1D2103
HEX#1D2103
RGBrgb(29, 33, 3)
RGB (0–1)0.1137, 0.1294, 0.0118
RGB percentages11.4%, 12.9%, 1.2%
HSLhsl(68, 83.3%, 7.1%)
HSV / HSBhsv(68, 90.9%, 12.9%)
CMYK12.1%, 0%, 90.9%, 87.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,908,995
CSS custom property--colour: #1D2103;

Brightness & contrast

Relative luminance0.01355WCAG 2.x, 0 is black and 1 is white
Perceived brightness29.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.52:1
Contrast with white16.52:1WCAG normal text: AAA
Contrast with black1.27:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#E2DEFC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#241F01no red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#241F05no green cones; the most common form, about 1% of men; ΔE 5.6 from the original
Tritanopia#201E1Bno blue cones; rare, and affects men and women equally; ΔE 15.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.52:1WCAG large text: AAA
Contrast with black, large text1.27:1WCAG large text: Fail

Named colours

Black · ΔE 21Dark slate grey · ΔE 28.1Dark olivegreen · ΔE 35.8Dim grey · ΔE 37.1Gray · ΔE 45.4Teal · ΔE 49
Nearest named CSS colourBlack (#000000)ΔE 21.03, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#070321
Analogous#211603, #0E2103
Triadic#031D21, #21031D
Split complementary#030E21, #160321
Tetradic#032116, #070321, #21030E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C1DC14
Lighter +30%#98AD10
Lighter +20%#6F7F0B
Lighter +10%#465007
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1F2400
Less saturated −25%#1A1D07

Channel breakdown

R29
G33
B3
Red29 (11.4%)
Green33 (12.9%)
Blue3 (1.2%)
Hue68°
Saturation (HSL)83.33%
Lightness7.06%
Dominant channelGreen
Hex per channelR 1D · G 21 · B 03

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Every value on this page was computed from “1d2103” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.