#CFF9FB
Closest named color: Pale Blue (#D0FEFE). oklch(95.3% 0.043 200), rgb(207, 249, 251).
Aa
Black text reads best on this color (18.59:1).
About this color
#CFF9FB is a very light, muted teal or cyan. In OKLCH its lightness is 95%, its chroma 0.043 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Blue (#D0FEFE), ΔE 0.013 away. Black text reads best on it, at 18.59:1.
| Hue family | Teals and cyans |
| Lightness | very light (95%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Pale Blue (#D0FEFE) |
| Black text | 18.59:1 |
| White text | 1.12:1 |
Values
| HEX | #CFF9FB |
| RGB | rgb(207, 249, 251) |
| HSL | hsl(183, 85%, 90%) |
| OKLCH | oklch(95.3% 0.043 200) |
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 #CFF9FB | 1.12:1 | Fails | Lc 0.0 | Not readable |
| Black text on #CFF9FB | 18.59:1 | AAA | Lc 97.7 | Preferred for body text |
| #CFF9FB text on white | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #CFF9FB text on black | 18.59:1 | AAA | Lc -98.7 | 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 100.
-
Step 50
50
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100 (this color)
#CFF9FB
oklch(95.3% 0.043 200)
-
Step 200
200
#C3E0E1
oklch(88.6% 0.031 199.2)
-
Step 300
300
#96CCCF
oklch(80.9% 0.056 200.4)
-
Step 400
400
#54B1B6
oklch(70.6% 0.088 200.1)
-
Step 500
500
#009CA3
oklch(63% 0.107 200.4)
-
Step 600
600
#008489
oklch(55.7% 0.095 199.5)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004C4F
oklch(37.8% 0.064 199.4)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#CFF9FB 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) | #F3F5FB | 0.045 |
| Deuteranopia (no green cones) | #EAEEFB | 0.042 |
| Tritanopia (no blue cones) | #C2FCF9 | 0.017 |
| Achromatopsia (no color) | #F1F1F1 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CFF9FB
#CFF9FB
oklch(95.3% 0.043 200)
- #FFEAE9
#FFEAE9
oklch(95.4% 0.023 20.9)
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 #CFF9FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Blue #D0FEFE ΔE 0.013
- Light Light Blue #CAFFFB ΔE 0.016
- Really Light Blue #D4FFFF ΔE 0.017
- Very Light Blue #D5FFFF ΔE 0.018
- Very Pale Blue #D6FFFE ΔE 0.018
- Ice Blue #D7FFFE ΔE 0.019
- Duck Egg Blue #C3FBF4 ΔE 0.019
- Ice #D6FFFA ΔE 0.019
Use #CFF9FB 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.