#CEEFF9
Closest named color: Pale Sky Blue (#BDF6FE). oklch(93.1% 0.037 218), rgb(206, 239, 249).
Aa
Black text reads best on this color (17.33:1).
About this color
#CEEFF9 is a very light, muted teal or cyan. In OKLCH its lightness is 93%, its chroma 0.037 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Sky Blue (#BDF6FE), ΔE 0.024 away. Black text reads best on it, at 17.33:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Pale Sky Blue (#BDF6FE) |
| Black text | 17.33:1 |
| White text | 1.21:1 |
Values
| HEX | #CEEFF9 |
| RGB | rgb(206, 239, 249) |
| HSL | hsl(194, 78%, 89%) |
| OKLCH | oklch(93.1% 0.037 218) |
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 #CEEFF9 | 1.21:1 | Fails | Lc -12.1 | Not readable |
| Black text on #CEEFF9 | 17.33:1 | AAA | Lc 93.2 | Preferred for body text |
| #CEEFF9 text on white | 1.21:1 | Fails | Lc 10.4 | Not readable |
| #CEEFF9 text on black | 17.33:1 | AAA | Lc -93.8 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100 (this color)
#CEEFF9
oklch(93.1% 0.037 218)
-
Step 200
200
#C7DEE5
oklch(88.6% 0.026 218)
-
Step 300
300
#9FC9D5
oklch(81% 0.047 217.1)
-
Step 400
400
#66ACC0
oklch(70.6% 0.076 218.2)
-
Step 500
500
#3397B0
oklch(63% 0.097 218)
-
Step 600
600
#00819A
oklch(55.7% 0.1 217.7)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#0A4958
oklch(37.6% 0.064 218.8)
-
Step 950
950
#0A2B33
oklch(26.9% 0.04 217)
#CEEFF9 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) | #E8EDFA | 0.033 |
| Deuteranopia (no green cones) | #E1E7F9 | 0.030 |
| Tritanopia (no blue cones) | #C2F3F2 | 0.022 |
| Achromatopsia (no color) | #E9E9E9 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CEEFF9
#CEEFF9
oklch(93.1% 0.037 218)
- #FFE1D7
#FFE1D7
oklch(93.2% 0.036 39.3)
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 #CEEFF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Sky Blue #BDF6FE ΔE 0.024
- Diamond #B9F2FF ΔE 0.024
- Duck Egg Blue #C3FBF4 ΔE 0.036
- Lavender #E6E6FA ΔE 0.037
- Pale Blue #D0FEFE ΔE 0.038
- Pale Turquoise #AFEEEE ΔE 0.040
- Anti-Flash White #EDF2F4 ΔE 0.041
- Light Light Blue #CAFFFB ΔE 0.041
Use #CEEFF9 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.