#CDF4E9
Closest named color: Duck Egg Blue (#C3FBF4). oklch(93.6% 0.043 176.4), rgb(205, 244, 233).
Aa
Black text reads best on this color (17.71:1).
About this color
#CDF4E9 is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.043 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.020 away. Black text reads best on it, at 17.71:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.71:1 |
| White text | 1.18:1 |
Values
| HEX | #CDF4E9 |
| RGB | rgb(205, 244, 233) |
| HSL | hsl(163, 64%, 88%) |
| OKLCH | oklch(93.6% 0.043 176.4) |
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 #CDF4E9 | 1.18:1 | Fails | Lc -10.5 | Not readable |
| Black text on #CDF4E9 | 17.71:1 | AAA | Lc 94.6 | Preferred for body text |
| #CDF4E9 text on white | 1.18:1 | Fails | Lc 9.0 | Not readable |
| #CDF4E9 text on black | 17.71:1 | AAA | Lc -95.3 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100 (this color)
#CDF4E9
oklch(93.6% 0.043 176.4)
-
Step 200
200
#C5E0D8
oklch(88.5% 0.031 175.8)
-
Step 300
300
#9BCDBF
oklch(80.9% 0.056 175.7)
-
Step 400
400
#5EB39F
oklch(70.8% 0.089 176.4)
-
Step 500
500
#199F87
oklch(63% 0.113 176.3)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#052E26
oklch(27.1% 0.046 176.5)
#CDF4E9 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) | #F1EFE9 | 0.046 |
| Deuteranopia (no green cones) | #E9E9EA | 0.043 |
| Tritanopia (no blue cones) | #C4F5F1 | 0.013 |
| Achromatopsia (no color) | #ECECEC | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDF4E9
#CDF4E9
oklch(93.6% 0.043 176.4)
- #FFE1EA
#FFE1EA
oklch(93.7% 0.035 357.7)
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 #CDF4E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.020
- Eggshell Blue #C4FFF7 ΔE 0.029
- Pale Sky Blue #BDF6FE ΔE 0.031
- Light Light Blue #CAFFFB ΔE 0.031
- Pale Blue #D0FEFE ΔE 0.033
- Pale Aqua #B8FFEB ΔE 0.034
- Ice #D6FFFA ΔE 0.034
- Pale Cyan #B7FFFA ΔE 0.035
Use #CDF4E9 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.