#EFF8F7
Closest named color: White Smoke (#F5F5F5). oklch(97.2% 0.01 189.1), rgb(239, 248, 247).
Aa
Black text reads best on this color (19.44:1).
About this color
#EFF8F7 is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.010. It has too little chroma to lean warm or cool. The nearest named color is White Smoke (#F5F5F5), ΔE 0.010 away. Black text reads best on it, at 19.44:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.010) |
| Temperature | neutral |
| Nearest name | White Smoke (#F5F5F5) |
| Black text | 19.44:1 |
| White text | 1.08:1 |
Values
| HEX | #EFF8F7 |
| RGB | rgb(239, 248, 247) |
| HSL | hsl(173, 39%, 95%) |
| OKLCH | oklch(97.2% 0.01 189.1) |
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 #EFF8F7 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFF8F7 | 19.44:1 | AAA | Lc 100.7 | Preferred for body text |
| #EFF8F7 text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #EFF8F7 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)
#EFF8F7
oklch(97.2% 0.01 189.1)
-
Step 100
100
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D4DBDA
oklch(88.6% 0.008 186.9)
-
Step 300
300
#B8C3C2
oklch(80.8% 0.012 190.4)
-
Step 400
400
#93A5A3
oklch(70.7% 0.02 188.6)
-
Step 500
500
#798F8C
oklch(63.2% 0.026 186.5)
-
Step 600
600
#617976
oklch(55.6% 0.028 187.1)
-
Step 700
700
#516664
oklch(49.2% 0.025 189.2)
-
Step 800
800
#425351
oklch(42.7% 0.021 187.6)
-
Step 900
900
#384543
oklch(37.8% 0.017 185.1)
-
Step 950
950
#212827
oklch(27% 0.01 186.1)
#EFF8F7 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) | #F7F7F7 | 0.010 |
| Deuteranopia (no green cones) | #F5F5F7 | 0.010 |
| Tritanopia (no blue cones) | #EDF9F8 | 0.003 |
| Achromatopsia (no color) | #F6F6F6 | 0.010 |
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 #EFF8F7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- White Smoke #F5F5F5 ΔE 0.010
- Alice Blue #F0F8FF ΔE 0.011
- Cultured #F8F9FA ΔE 0.013
- Anti-Flash White #EDF2F4 ΔE 0.015
- Ghost White #F8F8FF ΔE 0.017
- Azure #F0FFFF ΔE 0.018
- Mint Cream #F5FFFA ΔE 0.020
- Very Light Pink #FFF4F2 ΔE 0.022
Use #EFF8F7 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.