Recognised as Colour
#5BFDE3
- #5BFDE3
- Cyan
- Light
- Nearest: Aquamarine
#5BFDE3 is a cyan with RGB values 91, 253, 227 and HSL 170°, 98%, 67%. It is a light colour, so black text on it reaches 16.6:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.
Colour values
#5BFDE3#5BFDE3
HEX#5BFDE3
RGBrgb(91, 253, 227)
RGB (0–1)0.3569, 0.9922, 0.8902
RGB percentages35.7%, 99.2%, 89%
HSLhsl(170.4, 97.6%, 67.5%)
HSV / HSBhsv(170.4, 64%, 99.2%)
CMYK64%, 0%, 10.3%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,028,771
CSS custom property--colour: #5BFDE3;
Brightness & contrast
Relative luminance0.78021WCAG 2.x, 0 is black and 1 is white
Perceived brightness214.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.6:1
Contrast with white1.26:1WCAG normal text: Fail
Contrast with black16.6:1WCAG normal text: AAA
Greyscale equivalent#D9D9D9
Inverted#A4021C
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.26:1WCAG large text: Fail
Contrast with black, large text16.6:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#FD5B75
Analogous#5BFD92, #5BC6FD
Triadic#E35BFD, #FDE35B
Split complementary#FD5BC6, #FD925B
Tetradic#925BFD, #FD5B75, #C6FD5B
Tints, shades & saturation
Channel breakdown
R91
G253
B227
Red91 (35.7%)
Green253 (99.2%)
Blue227 (89%)
Hue170.37°
Saturation (HSL)97.59%
Lightness67.45%
Dominant channelGreen
Hex per channelR 5B · G FD · B E3
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page