#4FCDDE
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(78.6% 0.112 207.7), rgb(79, 205, 222).
Aa
Black text reads best on this color (11.11:1).
About this color
#4FCDDE is a light, moderately saturated teal or cyan. In OKLCH its lightness is 79%, its chroma 0.112 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.032 away. Black text reads best on it, at 11.11:1.
| Hue family | Teals and cyans |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 11.11:1 |
| White text | 1.88:1 |
Values
| HEX | #4FCDDE |
| RGB | rgb(79, 205, 222) |
| HSL | hsl(187, 68%, 59%) |
| OKLCH | oklch(78.6% 0.112 207.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #4FCDDE | 1.88:1 | Fails | Lc -39.8 | Non-text elements, placeholder text |
| Black text on #4FCDDE | 11.11:1 | AAA | Lc 68.3 | Content text, not long reading |
| #4FCDDE text on white | 1.88:1 | Fails | Lc 35.6 | Non-text elements, placeholder text |
| #4FCDDE text on black | 11.11:1 | AAA | Lc -67.0 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#EBF9FB
oklch(97.2% 0.015 207.1)
-
Step 100
100
#D2F0F5
oklch(93.5% 0.032 208.7)
-
Step 200
200
#A9E5EE
oklch(88.4% 0.062 207.6)
-
Step 300
300 (this color)
#4FCDDE
oklch(78.6% 0.112 207.7)
-
Step 400
400
#00B5C7
oklch(70.7% 0.121 207.4)
-
Step 500
500
#009BAB
oklch(63% 0.108 207.7)
-
Step 600
600
#008290
oklch(55.5% 0.095 208)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#4FCDDE with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #BCC5DF | 0.108 |
| Deuteranopia (no green cones) | #A7B6DE | 0.098 |
| Tritanopia (no blue cones) | #00D6D2 | 0.041 |
| Achromatopsia (no color) | #BDBDBD | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FCDDE
#4FCDDE
oklch(78.6% 0.112 207.7)
- #F99D91
#F99D91
oklch(78.6% 0.112 27.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4FCDDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.032
- Medium Turquoise #48D1CC ΔE 0.032
- Aqua Blue #02D8E9 ΔE 0.033
- Dark Turquoise #00CED1 ΔE 0.033
- Bright Sky Blue #02CCFE ΔE 0.050
- Sky Blue #87CEEB ΔE 0.051
- Lightblue #7BC8F6 ΔE 0.055
- Turquoise #40E0D0 ΔE 0.063
Use #4FCDDE in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.