#ECF9F6
Closest named color: White Smoke (#F5F5F5). oklch(97.2% 0.014 180.7), rgb(236, 249, 246).
Aa
Black text reads best on this color (19.44:1).
About this color
#ECF9F6 is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.014. It has too little chroma to lean warm or cool. The nearest named color is White Smoke (#F5F5F5), ΔE 0.014 away. Black text reads best on it, at 19.44:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.014) |
| Temperature | neutral |
| Nearest name | White Smoke (#F5F5F5) |
| Black text | 19.44:1 |
| White text | 1.07:1 |
Values
| HEX | #ECF9F6 |
| RGB | rgb(236, 249, 246) |
| HSL | hsl(166, 52%, 95%) |
| OKLCH | oklch(97.2% 0.014 180.7) |
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 #ECF9F6 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| Black text on #ECF9F6 | 19.44:1 | AAA | Lc 100.7 | Preferred for body text |
| #ECF9F6 text on white | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #ECF9F6 text on black | 19.44:1 | AAA | Lc -102.0 | 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 50.
-
Step 50
50 (this color)
#ECF9F6
oklch(97.2% 0.014 180.7)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DBD9
oklch(88.4% 0.01 181.4)
-
Step 300
300
#B5C5C1
oklch(81% 0.018 179.2)
-
Step 400
400
#8EA7A1
oklch(70.7% 0.029 179.3)
-
Step 500
500
#71918A
oklch(63% 0.037 180.2)
-
Step 600
600
#597B74
oklch(55.5% 0.04 180.6)
-
Step 700
700
#496862
oklch(49.1% 0.037 181.4)
-
Step 800
800
#3C5550
oklch(42.8% 0.031 181)
-
Step 900
900
#334642
oklch(37.7% 0.025 180.5)
-
Step 950
950
#1E2927
oklch(27% 0.016 182.8)
#ECF9F6 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) | #F8F7F6 | 0.016 |
| Deuteranopia (no green cones) | #F5F5F6 | 0.015 |
| Tritanopia (no blue cones) | #E9FAF8 | 0.004 |
| Achromatopsia (no color) | #F6F6F6 | 0.014 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #ECF9F6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- White Smoke #F5F5F5 ΔE 0.014
- Alice Blue #F0F8FF ΔE 0.015
- Cultured #F8F9FA ΔE 0.017
- Anti-Flash White #EDF2F4 ΔE 0.017
- Azure #F0FFFF ΔE 0.018
- Light Cyan #E0FFFF ΔE 0.020
- Mint Cream #F5FFFA ΔE 0.020
- Honeydew #F0FFF0 ΔE 0.021
Use #ECF9F6 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.