Nerdulator> put something in

Recognised as Colour

#03170B

  • #03170B
  • Green
  • Dark
  • Nearest: Black

#03170B is a green with RGB values 3, 23, 11 and HSL 144°, 77%, 5%. It is a dark colour, so white text on it reaches 18.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#03170B#03170B
HEX#03170B
RGBrgb(3, 23, 11)
RGB (0–1)0.0118, 0.0902, 0.0431
RGB percentages1.2%, 9%, 4.3%
HSLhsl(144, 76.9%, 5.1%)
HSV / HSBhsv(144, 87%, 9%)
CMYK87%, 0%, 52.2%, 91%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer202,507
CSS custom property--colour: #03170B;

Brightness & contrast

Relative luminance0.00656WCAG 2.x, 0 is black and 1 is white
Perceived brightness18.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.56:1
Contrast with white18.56:1WCAG normal text: AAA
Contrast with black1.13:1WCAG normal text: Fail
Greyscale equivalent#121212
Inverted#FCE8F4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#17140Ano red cones; affects about 1% of men; ΔE 8.6 from the original
Deuteranopia#14120Cno green cones; the most common form, about 1% of men; ΔE 8.8 from the original
Tritanopia#001714no blue cones; rare, and affects men and women equally; ΔE 4.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.56:1WCAG large text: AAA
Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Black · ΔE 11.6Dark slate grey · ΔE 26.7Dim grey · ΔE 39.7Dark olivegreen · ΔE 46Teal · ΔE 48.4Gray · ΔE 48.7
Nearest named CSS colourBlack (#000000)ΔE 11.55, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#17030F
Analogous#051703, #031715
Triadic#0B0317, #170B03
Split complementary#150317, #170305
Tetradic#030517, #17030F, #171503

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1BCB61
Lighter +30%#159E4C
Lighter +20%#0F7136
Lighter +10%#094421
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001A0A
Less saturated −25%#06140C

Channel breakdown

R3
G23
B11
Red3 (1.2%)
Green23 (9%)
Blue11 (4.3%)
Hue144°
Saturation (HSL)76.92%
Lightness5.1%
Dominant channelGreen
Hex per channelR 03 · G 17 · B 0B

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “03170b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.