#D9F3F0
Closest named color: Anti-Flash White (#EDF2F4). oklch(94.4% 0.027 188.3), rgb(217, 243, 240).
Aa
Black text reads best on this color (18.02:1).
About this color
#D9F3F0 is a very light close to neutral grey. In OKLCH its lightness is 94%, its chroma 0.027. 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 18.02:1.
| Hue family | Neutrals |
| Lightness | very light (94%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.02:1 |
| White text | 1.16:1 |
Values
| HEX | #D9F3F0 |
| RGB | rgb(217, 243, 240) |
| HSL | hsl(173, 52%, 90%) |
| OKLCH | oklch(94.4% 0.027 188.3) |
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 #D9F3F0 | 1.16:1 | Fails | Lc -9.2 | Not readable |
| Black text on #D9F3F0 | 18.02:1 | AAA | Lc 95.7 | Preferred for body text |
| #D9F3F0 text on white | 1.16:1 | Fails | Lc 7.8 | Not readable |
| #D9F3F0 text on black | 18.02:1 | AAA | Lc -96.5 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100 (this color)
#D9F3F0
oklch(94.4% 0.027 188.3)
-
Step 200
200
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A8C8C5
oklch(80.8% 0.035 189.5)
-
Step 400
400
#77ACA7
oklch(70.6% 0.056 188.6)
-
Step 500
500
#519892
oklch(63.2% 0.072 188.4)
-
Step 600
600
#31827C
oklch(55.6% 0.078 188.4)
-
Step 700
700
#226E69
oklch(49.1% 0.073 188.8)
-
Step 800
800
#1F5A55
oklch(42.8% 0.061 187.4)
-
Step 900
900
#204A46
oklch(37.8% 0.047 187.1)
-
Step 950
950
#142B29
oklch(26.9% 0.029 188.3)
#D9F3F0 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) | #F0F0F0 | 0.030 |
| Deuteranopia (no green cones) | #EBECF0 | 0.028 |
| Tritanopia (no blue cones) | #D2F4F2 | 0.008 |
| Achromatopsia (no color) | #EEEEEE | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D9F3F0
#D9F3F0
oklch(94.4% 0.027 188.3)
- #FEE6E9
#FEE6E9
oklch(94.5% 0.027 9)
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 #D9F3F0, 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
- Pale Blue #D0FEFE ΔE 0.029
- Ice #D6FFFA ΔE 0.030
- Duck Egg Blue #C3FBF4 ΔE 0.030
- Very Pale Blue #D6FFFE ΔE 0.031
- Ice Blue #D7FFFE ΔE 0.031
- Really Light Blue #D4FFFF ΔE 0.031
- Very Light Blue #D5FFFF ΔE 0.031
Use #D9F3F0 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.