#CDF0EA
Closest named color: Duck Egg Blue (#C3FBF4). oklch(92.8% 0.037 184), rgb(205, 240, 234).
Aa
Black text reads best on this color (17.24:1).
About this color
#CDF0EA is a very light, muted teal or cyan. In OKLCH its lightness is 93%, its chroma 0.037 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.028 away. Black text reads best on it, at 17.24:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.24:1 |
| White text | 1.21:1 |
Values
| HEX | #CDF0EA |
| RGB | rgb(205, 240, 234) |
| HSL | hsl(170, 54%, 87%) |
| OKLCH | oklch(92.8% 0.037 184) |
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 #CDF0EA | 1.21:1 | Fails | Lc -12.5 | Not readable |
| Black text on #CDF0EA | 17.24:1 | AAA | Lc 92.9 | Preferred for body text |
| #CDF0EA text on white | 1.21:1 | Fails | Lc 10.7 | Not readable |
| #CDF0EA text on black | 17.24:1 | AAA | Lc -93.4 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100 (this color)
#CDF0EA
oklch(92.8% 0.037 184)
-
Step 200
200
#C7DFDB
oklch(88.5% 0.026 184.7)
-
Step 300
300
#9FCBC4
oklch(80.9% 0.047 184.4)
-
Step 400
400
#66B0A6
oklch(70.6% 0.076 184.6)
-
Step 500
500
#309D90
oklch(63.2% 0.098 183.6)
-
Step 600
600
#00867A
oklch(55.7% 0.099 183.9)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900
#074C45
oklch(37.6% 0.064 184.1)
-
Step 950
950
#092D29
oklch(27.1% 0.041 184.6)
#CDF0EA 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) | #ECECEA | 0.039 |
| Deuteranopia (no green cones) | #E5E7EB | 0.037 |
| Tritanopia (no blue cones) | #C4F2EE | 0.011 |
| Achromatopsia (no color) | #E9E9E9 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDF0EA
#CDF0EA
oklch(92.8% 0.037 184)
- #FEDEE4
#FEDEE4
oklch(92.9% 0.036 5.1)
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 #CDF0EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.028
- Pale Sky Blue #BDF6FE ΔE 0.029
- Diamond #B9F2FF ΔE 0.033
- Pale Turquoise #AFEEEE ΔE 0.035
- Pale Silver #D8E2DC ΔE 0.036
- Eggshell Blue #C4FFF7 ΔE 0.037
- Light Light Blue #CAFFFB ΔE 0.038
- Pale Blue #D0FEFE ΔE 0.039
Use #CDF0EA 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.