#CEECF9
Closest named color: Diamond (#B9F2FF). oklch(92.5% 0.036 225.8), rgb(206, 236, 249).
Aa
Black text reads best on this color (16.99:1).
About this color
#CEECF9 is a very light, muted teal or cyan. In OKLCH its lightness is 93%, its chroma 0.036 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.026 away. Black text reads best on it, at 16.99:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.99:1 |
| White text | 1.23:1 |
Values
| HEX | #CEECF9 |
| RGB | rgb(206, 236, 249) |
| HSL | hsl(198, 78%, 89%) |
| OKLCH | oklch(92.5% 0.036 225.8) |
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 #CEECF9 | 1.23:1 | Fails | Lc -13.5 | Not readable |
| Black text on #CEECF9 | 16.99:1 | AAA | Lc 91.9 | Preferred for body text |
| #CEECF9 text on white | 1.23:1 | Fails | Lc 11.7 | Not readable |
| #CEECF9 text on black | 16.99:1 | AAA | Lc -92.3 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100 (this color)
#CEECF9
oklch(92.5% 0.036 225.8)
-
Step 200
200
#C8DDE6
oklch(88.5% 0.026 225.3)
-
Step 300
300
#A2C7D8
oklch(80.8% 0.046 227.5)
-
Step 400
400
#6CABC4
oklch(70.8% 0.074 225.2)
-
Step 500
500
#3E95B5
oklch(63% 0.095 225.7)
-
Step 600
600
#0E7FA1
oklch(55.6% 0.103 225.7)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#065770
oklch(42.6% 0.08 226.3)
-
Step 900
900
#14485B
oklch(37.7% 0.062 226.7)
-
Step 950
950
#0E2A35
oklch(26.9% 0.039 226.8)
#CEECF9 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) | #E5EAFA | 0.029 |
| Deuteranopia (no green cones) | #DEE5F9 | 0.026 |
| Tritanopia (no blue cones) | #C2F0F0 | 0.024 |
| Achromatopsia (no color) | #E7E7E7 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CEECF9
#CEECF9
oklch(92.5% 0.036 225.8)
- #FCE0D3
#FCE0D3
oklch(92.6% 0.036 46.5)
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 #CEECF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.026
- Pale Sky Blue #BDF6FE ΔE 0.029
- Lavender #E6E6FA ΔE 0.033
- Pale Silver #D8E2DC ΔE 0.040
- Pale Turquoise #AFEEEE ΔE 0.041
- Platinum #E0E1DD ΔE 0.042
- Duck Egg Blue #C3FBF4 ΔE 0.043
- Anti-Flash White #EDF2F4 ΔE 0.044
Use #CEECF9 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.