#CDEFFD
Closest named color: Diamond (#B9F2FF). oklch(93.2% 0.04 224.6), rgb(205, 239, 253).
Aa
Black text reads best on this color (17.36:1).
About this color
#CDEFFD is a very light, muted teal or cyan. In OKLCH its lightness is 93%, its chroma 0.040 and its hue 225°. 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 17.36:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 17.36:1 |
| White text | 1.20:1 |
Values
| HEX | #CDEFFD |
| RGB | rgb(205, 239, 253) |
| HSL | hsl(198, 92%, 90%) |
| OKLCH | oklch(93.2% 0.04 224.6) |
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 #CDEFFD | 1.20:1 | Fails | Lc -12.0 | Not readable |
| Black text on #CDEFFD | 17.36:1 | AAA | Lc 93.3 | Preferred for body text |
| #CDEFFD text on white | 1.20:1 | Fails | Lc 10.3 | Not readable |
| #CDEFFD text on black | 17.36:1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100 (this color)
#CDEFFD
oklch(93.2% 0.04 224.6)
-
Step 200
200
#C6DEE8
oklch(88.6% 0.029 224.7)
-
Step 300
300
#9DC8DA
oklch(80.8% 0.052 225.4)
-
Step 400
400
#63ACC7
oklch(70.7% 0.083 224)
-
Step 500
500
#2D96B9
oklch(63% 0.106 225)
-
Step 600
600
#007FA1
oklch(55.5% 0.105 225)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#05495D
oklch(37.8% 0.069 224.6)
-
Step 950
950
#092B36
oklch(27.1% 0.043 223.5)
#CDEFFD 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) | #E7EDFE | 0.033 |
| Deuteranopia (no green cones) | #E0E7FD | 0.030 |
| Tritanopia (no blue cones) | #C0F4F3 | 0.027 |
| Achromatopsia (no color) | #E9E9E9 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDEFFD
#CDEFFD
oklch(93.2% 0.04 224.6)
- #FFE1D5
#FFE1D5
oklch(93.1% 0.037 43.1)
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 #CDEFFD, 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 0.024
- Lavender #E6E6FA ΔE 0.036
- Duck Egg Blue #C3FBF4 ΔE 0.039
- Pale Blue #D0FEFE ΔE 0.040
- Pale Turquoise #AFEEEE ΔE 0.042
- Anti-Flash White #EDF2F4 ΔE 0.043
- Light Light Blue #CAFFFB ΔE 0.043
Use #CDEFFD 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.