Recognised as Colour
#AB421F
- #AB421F
- Orange
- Dark
- Nearest: Sienna
#AB421F is a orange with RGB values 171, 66, 31 and HSL 15°, 69%, 40%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Sienna.
Colour values
#AB421F#AB421F
HEX#AB421F
RGBrgb(171, 66, 31)
RGB (0–1)0.6706, 0.2588, 0.1216
RGB percentages67.1%, 25.9%, 12.2%
HSLhsl(15, 69.3%, 39.6%)
HSV / HSBhsv(15, 81.9%, 67.1%)
CMYK0%, 61.4%, 81.9%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,223,583
CSS custom property--colour: #AB421F;
Brightness & contrast
Relative luminance0.12653WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.95:1
Contrast with white5.95:1WCAG normal text: AA
Contrast with black3.53:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#54BDE0
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.95:1WCAG large text: AAA
Contrast with black, large text3.53:1WCAG large text: AA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1F88AB
Analogous#AB1F42, #AB881F
Triadic#1FAB42, #421FAB
Split complementary#1FAB88, #1F42AB
Tetradic#42AB1F, #1F88AB, #881FAB
Tints, shades & saturation
Channel breakdown
R171
G66
B31
Red171 (67.1%)
Green66 (25.9%)
Blue31 (12.2%)
Hue15°
Saturation (HSL)69.31%
Lightness39.61%
Dominant channelRed
Hex per channelR AB · G 42 · B 1F
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