#EFF8F0
Closest named color: White Smoke (#F5F5F5). oklch(97% 0.014 148.8), rgb(239, 248, 240).
Aa
Black text reads best on this color (19.35:1).
About this color
#EFF8F0 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 19.35:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.014) |
| Temperature | neutral |
| Nearest name | White Smoke (#F5F5F5) |
| Black text | 19.35:1 |
| White text | 1.08:1 |
Values
| HEX | #EFF8F0 |
| RGB | rgb(239, 248, 240) |
| HSL | hsl(127, 39%, 95%) |
| OKLCH | oklch(97% 0.014 148.8) |
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 #EFF8F0 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFF8F0 | 19.35:1 | AAA | Lc 100.4 | Preferred for body text |
| #EFF8F0 text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #EFF8F0 text on black | 19.35:1 | 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)
#EFF8F0
oklch(97% 0.014 148.8)
-
Step 100
100
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D5DBD5
oklch(88.5% 0.01 145.5)
-
Step 300
300
#B9C4BA
oklch(80.9% 0.018 148.1)
-
Step 400
400
#95A697
oklch(70.7% 0.029 148.7)
-
Step 500
500
#7A907D
oklch(63% 0.038 149)
-
Step 600
600
#637A66
oklch(55.5% 0.041 148.6)
-
Step 700
700
#526755
oklch(49.1% 0.038 149)
-
Step 800
800
#435446
oklch(42.7% 0.031 150.1)
-
Step 900
900
#39453B
oklch(37.6% 0.023 150)
-
Step 950
950
#212922
oklch(27.1% 0.017 148.6)
#EFF8F0 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) | #F8F6F0 | 0.012 |
| Deuteranopia (no green cones) | #F7F5F0 | 0.012 |
| Tritanopia (no blue cones) | #EEF8F6 | 0.008 |
| 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 #EFF8F0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- White Smoke #F5F5F5 ΔE 0.014
- Honeydew #F0FFF0 ΔE 0.018
- Anti-Flash White #EDF2F4 ΔE 0.018
- Cultured #F8F9FA ΔE 0.019
- Old Lace #FDF5E6 ΔE 0.020
- Alice Blue #F0F8FF ΔE 0.021
- Seashell #FFF5EE ΔE 0.021
- Mint Cream #F5FFFA ΔE 0.021
Use #EFF8F0 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.