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Recognised as Colour

#817F0F

  • #817F0F
  • Yellow
  • Dark
  • Nearest: Olive

#817F0F is a yellow with RGB values 129, 127, 15 and HSL 59°, 79%, 28%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Olive.

Colour values

#817F0F#817F0F
HEX#817F0F
RGBrgb(129, 127, 15)
RGB (0–1)0.5059, 0.498, 0.0588
RGB percentages50.6%, 49.8%, 5.9%
HSLhsl(58.9, 79.2%, 28.2%)
HSV / HSBhsv(58.9, 88.4%, 50.6%)
CMYK0%, 1.6%, 88.4%, 49.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,486,671
CSS custom property--colour: #817F0F;

Brightness & contrast

Relative luminance0.1988WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.98:1
Contrast with white4.22:1WCAG normal text: Fail
Contrast with black4.98:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#7E80F0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8A7900no red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#8C7D1Bno green cones; the most common form, about 1% of men; ΔE 7.1 from the original
Tritanopia#8B766Cno blue cones; rare, and affects men and women equally; ΔE 48.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.22:1WCAG large text: AA
Contrast with black, large text4.98:1WCAG large text: AAA

Named colours

Olive · ΔE 3.3Olivedrab · ΔE 17.3Dark goldenrod · ΔE 24.5Dark olivegreen · ΔE 26Dark khaki · ΔE 26.2Goldenrod · ΔE 31.6
Nearest named CSS colourOlive (#808000)ΔE 3.26, a close match
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0F1181
Analogous#81460F, #4A810F
Triadic#0F817F, #7F0F81
Split complementary#0F4A81, #460F81
Tetradic#0F8146, #0F1181, #810F4A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEEC6E
Lighter +30%#E9E640
Lighter +20%#DCD91A
Lighter +10%#AFAC14
Darker −10%#53520A
Darker −20%#262504
Darker −30%#000000
Darker −40%#000000
More saturated +25%#908D00
Less saturated −25%#6F6E21

Channel breakdown

R129
G127
B15
Red129 (50.6%)
Green127 (49.8%)
Blue15 (5.9%)
Hue58.95°
Saturation (HSL)79.17%
Lightness28.24%
Dominant channelRed
Hex per channelR 81 · G 7F · B 0F

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Every value on this page was computed from “817f0f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.