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Colour

#665D30

  • #665D30
  • Yellow
  • Dark
  • Nearest: Dark olivegreen

#665D30 is a yellow with RGB values 102, 93, 48 and HSL 50°, 36%, 29%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#665D30#665D30
HEX#665D30
RGBrgb(102, 93, 48)
RGB (0–1)0.4, 0.3647, 0.1882
RGB percentages40%, 36.5%, 18.8%
HSLhsl(50, 36%, 29.4%)
HSV / HSBhsv(50, 52.9%, 40%)
CMYK0%, 8.8%, 52.9%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,708,528
CSS custom property--colour: #665D30;

Brightness & contrast

Relative luminance0.10867WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.62:1
Contrast with white6.62:1WCAG normal text: AA
Contrast with black3.17:1WCAG normal text: Fail
Greyscale equivalent#5C5C5C
Inverted#99A2CF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#655B2Cno red cones; affects about 1% of men; ΔE 1.5 from the original
Deuteranopia#675E32no green cones; the most common form, about 1% of men; ΔE 0.7 from the original
Tritanopia#6D5752no blue cones; rare, and affects men and women equally; ΔE 23.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.62:1WCAG large text: AAA
Contrast with black, large text3.17:1WCAG large text: AA

Named colours

Dark olivegreen · ΔE 16.4Dim grey · ΔE 27.6Gray · ΔE 30.6Saddle brown · ΔE 32.8Dark slate grey · ΔE 32.9Olive · ΔE 33.7
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 16.37, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#303966
Analogous#664230, #546630
Triadic#30665D, #5D3066
Split complementary#305466, #423066
Tetradic#306642, #303966, #663054

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDC495
Lighter +30%#BDB072
Lighter +20%#AB9C51
Lighter +10%#897D40
Darker −10%#433D20
Darker −20%#211E0F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#796A1D
Less saturated −25%#535143

Channel breakdown

R102
G93
B48
Red102 (40%)
Green93 (36.5%)
Blue48 (18.8%)
Hue50°
Saturation (HSL)36%
Lightness29.41%
Dominant channelRed
Hex per channelR 66 · G 5D · B 30

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Every value on this page was computed from “665d30” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.