#EFF8F1
Closest named color: White Smoke (#F5F5F5). oklch(97% 0.013 152.6), rgb(239, 248, 241).
Aa
Black text reads best on this color (19.36:1).
About this color
#EFF8F1 is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.013. It has too little chroma to lean warm or cool. The nearest named color is White Smoke (#F5F5F5), ΔE 0.013 away. Black text reads best on it, at 19.36:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.013) |
| Temperature | neutral |
| Nearest name | White Smoke (#F5F5F5) |
| Black text | 19.36:1 |
| White text | 1.08:1 |
Values
| HEX | #EFF8F1 |
| RGB | rgb(239, 248, 241) |
| HSL | hsl(133, 39%, 95%) |
| OKLCH | oklch(97% 0.013 152.6) |
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 #EFF8F1 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFF8F1 | 19.36:1 | AAA | Lc 100.4 | Preferred for body text |
| #EFF8F1 text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #EFF8F1 text on black | 19.36:1 | AAA | Lc -101.7 | 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)
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D5DBD6
oklch(88.5% 0.009 150.7)
-
Step 300
300
#B9C4BB
oklch(80.9% 0.017 151)
-
Step 400
400
#94A699
oklch(70.7% 0.028 154.2)
-
Step 500
500
#7A907F
oklch(63.1% 0.036 152.1)
-
Step 600
600
#637A69
oklch(55.6% 0.037 153.1)
-
Step 700
700
#526757
oklch(49.2% 0.036 152.1)
-
Step 800
800
#435447
oklch(42.7% 0.03 152.1)
-
Step 900
900
#39453C
oklch(37.7% 0.022 152.9)
-
Step 950
950
#212923
oklch(27.1% 0.016 152.8)
#EFF8F1 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) | #F8F6F1 | 0.012 |
| Deuteranopia (no green cones) | #F6F5F1 | 0.011 |
| Tritanopia (no blue cones) | #EEF8F6 | 0.007 |
| 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 #EFF8F1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- White Smoke #F5F5F5 ΔE 0.013
- Cultured #F8F9FA ΔE 0.018
- Anti-Flash White #EDF2F4 ΔE 0.018
- Honeydew #F0FFF0 ΔE 0.019
- Alice Blue #F0F8FF ΔE 0.019
- Mint Cream #F5FFFA ΔE 0.021
- Old Lace #FDF5E6 ΔE 0.021
- Seashell #FFF5EE ΔE 0.021
Use #EFF8F1 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.