#EFF8F4
Closest named color: White Smoke (#F5F5F5). oklch(97.1% 0.011 167.8), rgb(239, 248, 244).
Aa
Black text reads best on this color (19.40:1).
About this color
#EFF8F4 is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.011. It has too little chroma to lean warm or cool. The nearest named color is White Smoke (#F5F5F5), ΔE 0.011 away. Black text reads best on it, at 19.40:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.011) |
| Temperature | neutral |
| Nearest name | White Smoke (#F5F5F5) |
| Black text | 19.40:1 |
| White text | 1.08:1 |
Values
| HEX | #EFF8F4 |
| RGB | rgb(239, 248, 244) |
| HSL | hsl(153, 39%, 95%) |
| OKLCH | oklch(97.1% 0.011 167.8) |
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 #EFF8F4 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFF8F4 | 19.40:1 | AAA | Lc 100.6 | Preferred for body text |
| #EFF8F4 text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #EFF8F4 text on black | 19.40:1 | AAA | Lc -101.8 | 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 50.
-
Step 50
50 (this color)
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D4DBD8
oklch(88.5% 0.009 168.7)
-
Step 300
300
#B8C4BF
oklch(81% 0.015 169.1)
-
Step 400
400
#94A59E
oklch(70.6% 0.022 169.1)
-
Step 500
500
#798F86
oklch(63% 0.029 168.7)
-
Step 600
600
#627970
oklch(55.5% 0.03 169.5)
-
Step 700
700
#51665D
oklch(49% 0.029 167.2)
-
Step 800
800
#43534C
oklch(42.6% 0.023 166.9)
-
Step 900
900
#384540
oklch(37.7% 0.019 170)
-
Step 950
950
#212825
oklch(26.9% 0.011 167.8)
#EFF8F4 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) | #F7F7F4 | 0.010 |
| Deuteranopia (no green cones) | #F6F5F4 | 0.011 |
| Tritanopia (no blue cones) | #EDF8F7 | 0.005 |
| Achromatopsia (no color) | #F6F6F6 | 0.011 |
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 #EFF8F4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- White Smoke #F5F5F5 ΔE 0.011
- Cultured #F8F9FA ΔE 0.015
- Alice Blue #F0F8FF ΔE 0.015
- Anti-Flash White #EDF2F4 ΔE 0.016
- Azure #F0FFFF ΔE 0.019
- Ghost White #F8F8FF ΔE 0.020
- Mint Cream #F5FFFA ΔE 0.020
- Honeydew #F0FFF0 ΔE 0.021
Use #EFF8F4 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.