#EFF8F5
Closest named color: White Smoke (#F5F5F5). oklch(97.2% 0.01 174.3), rgb(239, 248, 245).
Aa
Black text reads best on this color (19.41:1).
About this color
#EFF8F5 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 19.41:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.010) |
| Temperature | neutral |
| Nearest name | White Smoke (#F5F5F5) |
| Black text | 19.41:1 |
| White text | 1.08:1 |
Values
| HEX | #EFF8F5 |
| RGB | rgb(239, 248, 245) |
| HSL | hsl(160, 39%, 95%) |
| OKLCH | oklch(97.2% 0.01 174.3) |
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 #EFF8F5 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFF8F5 | 19.41:1 | AAA | Lc 100.6 | Preferred for body text |
| #EFF8F5 text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #EFF8F5 text on black | 19.41:1 | AAA | Lc -101.9 | 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)
#EFF8F5
oklch(97.2% 0.01 174.3)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D4DBD9
oklch(88.5% 0.008 177.3)
-
Step 300
300
#B8C3C0
oklch(80.8% 0.013 177.9)
-
Step 400
400
#94A59F
oklch(70.7% 0.021 172.5)
-
Step 500
500
#798F88
oklch(63.1% 0.027 174.2)
-
Step 600
600
#627972
oklch(55.6% 0.029 174.8)
-
Step 700
700
#51665F
oklch(49.1% 0.028 172.8)
-
Step 800
800
#42534E
oklch(42.6% 0.023 175.4)
-
Step 900
900
#384541
oklch(37.7% 0.018 174.7)
-
Step 950
950
#212826
oklch(26.9% 0.011 176.4)
#EFF8F5 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) | #F7F7F5 | 0.010 |
| Deuteranopia (no green cones) | #F5F5F5 | 0.010 |
| Tritanopia (no blue cones) | #EDF8F7 | 0.004 |
| 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 #EFF8F5, 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 0.014
- Cultured #F8F9FA ΔE 0.014
- Anti-Flash White #EDF2F4 ΔE 0.016
- Ghost White #F8F8FF ΔE 0.019
- Azure #F0FFFF ΔE 0.019
- Mint Cream #F5FFFA ΔE 0.020
- Seashell #FFF5EE ΔE 0.021
Use #EFF8F5 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.