Colour

#EF8100

#EF8100
Orange
Dark
Nearest: Dark orange

#EF8100 is a orange with RGB values 239, 129, 0 and HSL 32°, 100%, 47%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#EF8100#EF8100

HEX#EF8100

RGBrgb(239, 129, 0)

RGB (0–1)0.9373, 0.5059, 0

RGB percentages93.7%, 50.6%, 0%

HSLhsl(32.4, 100%, 46.9%)

HSV / HSBhsv(32.4, 100%, 93.7%)

CMYK0%, 46%, 100%, 6.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,696,128

CSS custom property--colour: #EF8100;

Brightness & contrast

Relative luminance0.34051WCAG 2.x, 0 is black and 1 is white

Perceived brightness163.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.81:1

Contrast with white2.69:1WCAG normal text: Fail

Contrast with black7.81:1WCAG normal text: AAA

Greyscale equivalent#8F8F8F

Inverted#107EFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A28E00no red cones; affects about 1% of men; ΔE 42 from the original

Deuteranopia#BDA800no green cones; the most common form, about 1% of men; ΔE 42.6 from the original

Tritanopia#FF676Eno blue cones; rare, and affects men and women equally; ΔE 50.5 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text2.69:1WCAG large text: Fail

Contrast with black, large text7.81:1WCAG large text: AAA

Named colours

Dark orange · ΔE 6 Orange · ΔE 17.3 Chocolate · ΔE 17.4 Coral · ΔE 26 Peru · ΔE 28 Dark goldenrod · ΔE 28.2

Nearest named CSS colourDark orange (#FF8C00)ΔE 5.96, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#006EEF

Analogous#EF0900, #E6EF00

Triadic#00EF81, #8100EF

Split complementary#00E5EF, #0A00EF

Tetradic#00EF0A, #006EEF, #EF00E6

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFE0BC

Lighter +30%#FFC989

Lighter +20%#FFB156

Lighter +10%#FF9A23

Darker −10%#BC6500

Darker −20%#894A00

Darker −30%#562E00

Darker −40%#231300

More saturated +25%#EF8100

Less saturated −25%#D17F1E

Channel breakdown

R239

G129

Red239 (93.7%)

Green129 (50.6%)

Blue0 (0%)

Hue32.38°

Saturation (HSL)100%

Lightness46.86%

Dominant channelRed

Hex per channelR EF · G 81 · B 00

Keep nerding

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

#EF8100

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

Nerdulate something else