Colour
#17998C
- #17998C
- Cyan
- Dark
- Nearest: Dark cyan
#17998C is a cyan with RGB values 23, 153, 140 and HSL 174°, 74%, 35%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#17998C#17998C
HEX#17998C
RGBrgb(23, 153, 140)
RGB (0–1)0.0902, 0.6, 0.549
RGB percentages9%, 60%, 54.9%
HSLhsl(174, 73.9%, 34.5%)
HSV / HSBhsv(174, 85%, 60%)
CMYK85%, 0%, 8.5%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,546,636
CSS custom property--colour: #17998C;
Brightness & contrast
Relative luminance0.24858WCAG 2.x, 0 is black and 1 is white
Perceived brightness127 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.97:1
Contrast with white3.52:1WCAG normal text: Fail
Contrast with black5.97:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#E86673
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.52:1WCAG large text: AA
Contrast with black, large text5.97:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#991724
Analogous#17994B, #176599
Triadic#8C1799, #998C17
Split complementary#991765, #994B17
Tetradic#4B1799, #991724, #659917
Tints, shades & saturation
Channel breakdown
R23
G153
B140
Red23 (9%)
Green153 (60%)
Blue140 (54.9%)
Hue174°
Saturation (HSL)73.86%
Lightness34.51%
Dominant channelGreen
Hex per channelR 17 · G 99 · B 8C
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