Colour

#28230B

#28230B
Yellow
Dark
Nearest: Black

#28230B is a yellow with RGB values 40, 35, 11 and HSL 50°, 57%, 10%. It is a dark colour, so white text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#28230B#28230B

HEX#28230B

RGBrgb(40, 35, 11)

RGB (0–1)0.1569, 0.1373, 0.0431

RGB percentages15.7%, 13.7%, 4.3%

HSLhsl(49.7, 56.9%, 10%)

HSV / HSBhsv(49.7, 72.5%, 15.7%)

CMYK0%, 12.5%, 72.5%, 84.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,630,411

CSS custom property--colour: #28230B;

Brightness & contrast

Relative luminance0.01677WCAG 2.x, 0 is black and 1 is white

Perceived brightness34.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.72:1

Contrast with white15.72:1WCAG normal text: AAA

Contrast with black1.34:1WCAG normal text: Fail

Greyscale equivalent#222222

Inverted#D7DCF4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#272209no red cones; affects about 1% of men; ΔE 0.5 from the original

Deuteranopia#28240Cno green cones; the most common form, about 1% of men; ΔE 0.7 from the original

Tritanopia#2C201Eno blue cones; rare, and affects men and women equally; ΔE 13.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.72:1WCAG large text: AAA

Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Black · ΔE 20.8 Dark slate grey · ΔE 28 Dim grey · ΔE 34.5 Dark olivegreen · ΔE 36.6 Gray · ΔE 42.9 Saddle brown · ΔE 44.6

Nearest named CSS colourBlack (#000000)ΔE 20.82, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B1028

Analogous#28150B, #1E280B

Triadic#0B2823, #230B28

Split complementary#0B1E28, #150B28

Tetradic#0B2815, #0B1028, #280B1E

Tints, shades & saturation

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

Lighter +40%#C8AF37

Lighter +30%#A08C2C

Lighter +20%#786921

Lighter +10%#504616

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#2E2705

Less saturated −25%#221F11

Channel breakdown

R40

G35

B11

Red40 (15.7%)

Green35 (13.7%)

Blue11 (4.3%)

Hue49.66°

Saturation (HSL)56.86%

Lightness10%

Dominant channelRed

Hex per channelR 28 · G 23 · B 0B

Keep nerding

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

#28230B

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

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