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Recognised as Colour

#665D0F

  • #665D0F
  • Yellow
  • Dark
  • Nearest: Dark olivegreen

#665D0F is a yellow with RGB values 102, 93, 15 and HSL 54°, 74%, 23%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#665D0F#665D0F
HEX#665D0F
RGBrgb(102, 93, 15)
RGB (0–1)0.4, 0.3647, 0.0588
RGB percentages40%, 36.5%, 5.9%
HSLhsl(53.8, 74.4%, 22.9%)
HSV / HSBhsv(53.8, 85.3%, 40%)
CMYK0%, 8.8%, 85.3%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,708,495
CSS custom property--colour: #665D0F;

Brightness & contrast

Relative luminance0.10688WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.69:1
Contrast with white6.69:1WCAG normal text: AA
Contrast with black3.14:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#99A2F0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#675A00no red cones; affects about 1% of men; ΔE 4.2 from the original
Deuteranopia#695E15no green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#6F564Fno blue cones; rare, and affects men and women equally; ΔE 37 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.69:1WCAG large text: AAA
Contrast with black, large text3.14:1WCAG large text: AA

Named colours

Dark olivegreen · ΔE 17.9Olive · ΔE 20.9Olivedrab · ΔE 28.7Saddle brown · ΔE 31.9Dark goldenrod · ΔE 32.7Dark khaki · ΔE 34.6
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 17.9, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0F1866
Analogous#66320F, #43660F
Triadic#0F665D, #5D0F66
Split complementary#0F4466, #310F66
Tetradic#0F6632, #0F1866, #660F44

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7D85A
Lighter +30%#E0CE2E
Lighter +20%#BFAE1C
Lighter +10%#928616
Darker −10%#3A3408
Darker −20%#0D0C02
Darker −30%#000000
Darker −40%#000000
More saturated +25%#756900
Less saturated −25%#57511E

Channel breakdown

R102
G93
B15
Red102 (40%)
Green93 (36.5%)
Blue15 (5.9%)
Hue53.79°
Saturation (HSL)74.36%
Lightness22.94%
Dominant channelRed
Hex per channelR 66 · G 5D · B 0F

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Every value on this page was computed from “665d0f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.