Nerdulator> put something in

Recognised as Colour

#665C23

  • #665C23
  • Yellow
  • Dark
  • Nearest: Dark olivegreen

#665C23 is a yellow with RGB values 102, 92, 35 and HSL 51°, 49%, 27%. 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

#665C23#665C23
HEX#665C23
RGBrgb(102, 92, 35)
RGB (0–1)0.4, 0.3608, 0.1373
RGB percentages40%, 36.1%, 13.7%
HSLhsl(51, 48.9%, 26.9%)
HSV / HSBhsv(51, 65.7%, 40%)
CMYK0%, 9.8%, 65.7%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,708,259
CSS custom property--colour: #665C23;

Brightness & contrast

Relative luminance0.106WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.73:1
Contrast with white6.73:1WCAG normal text: AA
Contrast with black3.12:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#99A3DC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#65591Dno red cones; affects about 1% of men; ΔE 2.2 from the original
Deuteranopia#685D26no green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#6E5550no blue cones; rare, and affects men and women equally; ΔE 29.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.73:1WCAG large text: AAA
Contrast with black, large text3.12:1WCAG large text: AA

Named colours

Dark olivegreen · ΔE 15.7Olive · ΔE 28.2Saddle brown · ΔE 31.1Olivedrab · ΔE 33.4Sienna · ΔE 33.5Dim grey · ΔE 34
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 15.74, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#232D66
Analogous#663B23, #4F6623
Triadic#23665C, #5C2366
Split complementary#234F66, #3B2366
Tetradic#23663A, #232D66, #66234F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4C781
Lighter +30%#C7B75B
Lighter +20%#B2A03D
Lighter +10%#8C7E30
Darker −10%#403A16
Darker −20%#1A1809
Darker −30%#000000
Darker −40%#000000
More saturated +25%#776812
Less saturated −25%#555034

Channel breakdown

R102
G92
B35
Red102 (40%)
Green92 (36.1%)
Blue35 (13.7%)
Hue51.04°
Saturation (HSL)48.91%
Lightness26.86%
Dominant channelRed
Hex per channelR 66 · G 5C · B 23

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 “665c23” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.