#DDEFE9
Closest named color: Anti-Flash White (#EDF2F4). oklch(93.7% 0.021 173.9), rgb(221, 239, 233).
Aa
Black text reads best on this color (17.59:1).
About this color
#DDEFE9 is a very light close to neutral grey. In OKLCH its lightness is 94%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.027 away. Black text reads best on it, at 17.59:1.
| Hue family | Neutrals |
| Lightness | very light (94%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 17.59:1 |
| White text | 1.19:1 |
Values
| HEX | #DDEFE9 |
| RGB | rgb(221, 239, 233) |
| HSL | hsl(160, 36%, 90%) |
| OKLCH | oklch(93.7% 0.021 173.9) |
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 #DDEFE9 | 1.19:1 | Fails | Lc -11.0 | Not readable |
| Black text on #DDEFE9 | 17.59:1 | AAA | Lc 94.1 | Preferred for body text |
| #DDEFE9 text on white | 1.19:1 | Fails | Lc 9.4 | Not readable |
| #DDEFE9 text on black | 17.59:1 | AAA | Lc -94.8 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100 (this color)
#DDEFE9
oklch(93.7% 0.021 173.9)
-
Step 200
200
#D0DCD8
oklch(88.4% 0.014 174.1)
-
Step 300
300
#B0C7BF
oklch(81% 0.027 172.7)
-
Step 400
400
#86AA9E
oklch(70.8% 0.043 172.7)
-
Step 500
500
#679587
oklch(63.2% 0.054 173.6)
-
Step 600
600
#4D7F71
oklch(55.7% 0.059 174.3)
-
Step 700
700
#3D6B5E
oklch(49.1% 0.055 173.8)
-
Step 800
800
#33574D
oklch(42.6% 0.045 174.4)
-
Step 900
900
#2D4840
oklch(37.7% 0.036 173.7)
-
Step 950
950
#1B2A26
oklch(27% 0.022 176.2)
#DDEFE9 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) | #EEECE9 | 0.023 |
| Deuteranopia (no green cones) | #EAEAE9 | 0.020 |
| Tritanopia (no blue cones) | #D9EFED | 0.007 |
| Achromatopsia (no color) | #EBEBEB | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DDEFE9
#DDEFE9
oklch(93.7% 0.021 173.9)
- #F6E5EB
#F6E5EB
oklch(93.7% 0.02 354)
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 #DDEFE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.027
- Platinum #E0E1DD ΔE 0.034
- Pale Silver #D8E2DC ΔE 0.035
- Linen #FAF0E6 ΔE 0.038
- White Smoke #F5F5F5 ΔE 0.039
- Duck Egg Blue #C3FBF4 ΔE 0.039
- Ice #D6FFFA ΔE 0.040
- Lavender #E6E6FA ΔE 0.040
Use #DDEFE9 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.