#C9FBFC
Closest named color: Light Light Blue (#CAFFFB). oklch(95.4% 0.051 197.8), rgb(201, 251, 252).
Aa
Black text reads best on this color (18.68:1).
About this color
#C9FBFC is a very light, muted teal or cyan. In OKLCH its lightness is 95%, its chroma 0.051 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Light Light Blue (#CAFFFB), ΔE 0.011 away. Black text reads best on it, at 18.68:1.
| Hue family | Teals and cyans |
| Lightness | very light (95%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Light Light Blue (#CAFFFB) |
| Black text | 18.68:1 |
| White text | 1.12:1 |
Values
| HEX | #C9FBFC |
| RGB | rgb(201, 251, 252) |
| HSL | hsl(181, 89%, 89%) |
| OKLCH | oklch(95.4% 0.051 197.8) |
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 #C9FBFC | 1.12:1 | Fails | Lc 0.0 | Not readable |
| Black text on #C9FBFC | 18.68:1 | AAA | Lc 98.1 | Preferred for body text |
| #C9FBFC text on white | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #C9FBFC text on black | 18.68:1 | AAA | Lc -99.1 | Preferred for body text |
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 50.
-
Step 50
50 (this color)
#C9FBFC
oklch(95.4% 0.051 197.8)
-
Step 100
100
#DCEEEE
oklch(93.6% 0.019 196.8)
-
Step 200
200
#BEE1E2
oklch(88.5% 0.037 198.6)
-
Step 300
300
#8ECED0
oklch(80.9% 0.065 198.4)
-
Step 400
400
#3BB4B8
oklch(70.6% 0.104 198.3)
-
Step 500
500
#009DA1
oklch(63.2% 0.107 198)
-
Step 600
600
#008487
oklch(55.6% 0.095 197.6)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#C9FBFC 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) | #F4F6FC | 0.053 |
| Deuteranopia (no green cones) | #EAEEFC | 0.050 |
| Tritanopia (no blue cones) | #B9FFFB | 0.020 |
| Achromatopsia (no color) | #F2F2F2 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9FBFC
#C9FBFC
oklch(95.4% 0.051 197.8)
- #FFEAEA
#FFEAEA
oklch(95.4% 0.023 17.6)
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 #C9FBFC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Light Blue #CAFFFB ΔE 0.011
- Pale Blue #D0FEFE ΔE 0.012
- Duck Egg Blue #C3FBF4 ΔE 0.014
- Eggshell Blue #C4FFF7 ΔE 0.015
- Really Light Blue #D4FFFF ΔE 0.017
- Very Light Blue #D5FFFF ΔE 0.018
- Very Pale Blue #D6FFFE ΔE 0.019
- Ice #D6FFFA ΔE 0.020
Use #C9FBFC 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.