Colour

#FF8121

#FF8121
Orange
Dark
Nearest: Dark orange

#FF8121 is a orange with RGB values 255, 129, 33 and HSL 26°, 100%, 56%. It is a dark colour, so black text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#FF8121#FF8121

HEX#FF8121

RGBrgb(255, 129, 33)

RGB (0–1)1, 0.5059, 0.1294

RGB percentages100%, 50.6%, 12.9%

HSLhsl(25.9, 100%, 56.5%)

HSV / HSBhsv(25.9, 87.1%, 100%)

CMYK0%, 49.4%, 87.1%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,744,737

CSS custom property--colour: #FF8121;

Brightness & contrast

Relative luminance0.3707WCAG 2.x, 0 is black and 1 is white

Perceived brightness171.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.41:1

Contrast with white2.5:1WCAG normal text: Fail

Contrast with black8.41:1WCAG normal text: AAA

Greyscale equivalent#959595

Inverted#007EDE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A69205no red cones; affects about 1% of men; ΔE 48.4 from the original

Deuteranopia#C4AF1Dno green cones; the most common form, about 1% of men; ΔE 49.4 from the original

Tritanopia#FF6470no blue cones; rare, and affects men and women equally; ΔE 46.4 from the original

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

Contrast with white, large text2.5:1WCAG large text: Fail

Contrast with black, large text8.41:1WCAG large text: AAA

Named colours

Dark orange · ΔE 10.1 Chocolate · ΔE 16.7 Coral · ΔE 20.3 Orange · ΔE 23.2 Tomato · ΔE 26.5 Orange red · ΔE 26.9

Nearest named CSS colourDark orange (#FF8C00)ΔE 10.09, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#219FFF

Analogous#FF2130, #FFF021

Triadic#21FF81, #8121FF

Split complementary#21FFF0, #2130FF

Tetradic#30FF21, #219FFF, #F021FF

Tints, shades & saturation

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

Lighter +40%#FFF5ED

Lighter +30%#FFD8BA

Lighter +20%#FFBB87

Lighter +10%#FF9E54

Darker −10%#ED6600

Darker −20%#BA5000

Darker −30%#873A00

Darker −40%#542400

More saturated +25%#FF8121

Less saturated −25%#E3853D

Channel breakdown

R255

G129

B33

Red255 (100%)

Green129 (50.6%)

Blue33 (12.9%)

Hue25.95°

Saturation (HSL)100%

Lightness56.47%

Dominant channelRed

Hex per channelR FF · G 81 · B 21

Keep nerding

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

#FF8121

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