Colour
#42BCBC
- #42BCBC
- Cyan
- Dark
- Nearest: Light seagreen
#42BCBC is a cyan with RGB values 66, 188, 188 and HSL 180°, 48%, 50%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.
Colour values
#42BCBC#42BCBC
HEX#42BCBC
RGBrgb(66, 188, 188)
RGB (0–1)0.2588, 0.7373, 0.7373
RGB percentages25.9%, 73.7%, 73.7%
HSLhsl(180, 48%, 49.8%)
HSV / HSBhsv(180, 64.9%, 73.7%)
CMYK64.9%, 0%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,373,692
CSS custom property--colour: #42BCBC;
Brightness & contrast
Relative luminance0.40756WCAG 2.x, 0 is black and 1 is white
Perceived brightness161.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.15:1
Contrast with white2.29:1WCAG normal text: Fail
Contrast with black9.15:1WCAG normal text: AAA
Greyscale equivalent#A2A2A2
Inverted#BD4343
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.29:1WCAG large text: Fail
Contrast with black, large text9.15:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#BC4242
Analogous#42BC7F, #427FBC
Triadic#BC42BC, #BCBC42
Split complementary#BC427F, #BC7F42
Tetradic#7F42BC, #BC4242, #7FBC42
Tints, shades & saturation
Channel breakdown
R66
G188
B188
Red66 (25.9%)
Green188 (73.7%)
Blue188 (73.7%)
Hue180°
Saturation (HSL)48.03%
Lightness49.8%
Dominant channelGreen and Blue
Hex per channelR 42 · G BC · B BC
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Harmonies
Similar named colours
Nerdulate something else
Nothing in mind? Surprise me · today’s page