#CDEFFA
Closest named color: Diamond (#B9F2FF). oklch(93.1% 0.038 219.3), rgb(205, 239, 250).
Aa
Black text reads best on this color (17.32:1).
About this color
#CDEFFA is a very light, muted teal or cyan. In OKLCH its lightness is 93%, its chroma 0.038 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.023 away. Black text reads best on it, at 17.32:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 17.32:1 |
| White text | 1.21:1 |
Values
| HEX | #CDEFFA |
| RGB | rgb(205, 239, 250) |
| HSL | hsl(195, 82%, 89%) |
| OKLCH | oklch(93.1% 0.038 219.3) |
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 #CDEFFA | 1.21:1 | Fails | Lc -12.1 | Not readable |
| Black text on #CDEFFA | 17.32:1 | AAA | Lc 93.1 | Preferred for body text |
| #CDEFFA text on white | 1.21:1 | Fails | Lc 10.4 | Not readable |
| #CDEFFA text on black | 17.32:1 | AAA | Lc -93.7 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100 (this color)
#CDEFFA
oklch(93.1% 0.038 219.3)
-
Step 200
200
#C6DEE6
oklch(88.5% 0.028 219.8)
-
Step 300
300
#9EC9D7
oklch(81% 0.049 219.7)
-
Step 400
400
#64ADC2
oklch(70.8% 0.079 218.4)
-
Step 500
500
#2E97B3
oklch(63% 0.101 219.8)
-
Step 600
600
#00809B
oklch(55.5% 0.101 219.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#064959
oklch(37.6% 0.066 219.6)
-
Step 950
950
#092B34
oklch(27% 0.041 219)
#CDEFFA 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) | #E8EDFB | 0.034 |
| Deuteranopia (no green cones) | #E1E7FA | 0.031 |
| Tritanopia (no blue cones) | #C0F3F2 | 0.023 |
| Achromatopsia (no color) | #E9E9E9 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDEFFA
#CDEFFA
oklch(93.1% 0.038 219.3)
- #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 #CDEFFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.023
- Pale Sky Blue #BDF6FE ΔE 0.023
- Duck Egg Blue #C3FBF4 ΔE 0.036
- Lavender #E6E6FA ΔE 0.037
- Pale Blue #D0FEFE ΔE 0.039
- Pale Turquoise #AFEEEE ΔE 0.040
- Light Light Blue #CAFFFB ΔE 0.042
- Anti-Flash White #EDF2F4 ΔE 0.042
Use #CDEFFA 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.