#ECF4E9
Closest named color: Anti-Flash White (#EDF2F4). oklch(95.8% 0.017 137), rgb(236, 244, 233).
Aa
Black text reads best on this color (18.68:1).
About this color
#ECF4E9 is a very light close to neutral grey. In OKLCH its lightness is 96%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.018 away. Black text reads best on it, at 18.68:1.
| Hue family | Neutrals |
| Lightness | very light (96%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.68:1 |
| White text | 1.12:1 |
Values
| HEX | #ECF4E9 |
| RGB | rgb(236, 244, 233) |
| HSL | hsl(104, 33%, 94%) |
| OKLCH | oklch(95.8% 0.017 137) |
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 #ECF4E9 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| Black text on #ECF4E9 | 18.68:1 | AAA | Lc 98.0 | Preferred for body text |
| #ECF4E9 text on white | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #ECF4E9 text on black | 18.68:1 | AAA | Lc -99.1 | 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)
#ECF4E9
oklch(95.8% 0.017 137)
-
Step 100
100
#E8EBE7
oklch(93.7% 0.006 137.8)
-
Step 200
200
#D5DBD3
oklch(88.5% 0.013 137.8)
-
Step 300
300
#BAC4B6
oklch(80.9% 0.022 136.6)
-
Step 400
400
#97A691
oklch(70.7% 0.034 136.7)
-
Step 500
500
#7D9076
oklch(63.1% 0.044 137.3)
-
Step 600
600
#667A5E
oklch(55.5% 0.048 136.8)
-
Step 700
700
#55674E
oklch(49.1% 0.045 137)
-
Step 800
800
#465440
oklch(42.8% 0.037 136.4)
-
Step 900
900
#3A4536
oklch(37.6% 0.029 137.4)
-
Step 950
950
#222920
oklch(27.1% 0.019 138.8)
#ECF4E9 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) | #F5F2E8 | 0.012 |
| Deuteranopia (no green cones) | #F4F1E9 | 0.012 |
| Tritanopia (no blue cones) | #ECF3F1 | 0.012 |
| Achromatopsia (no color) | #F2F2F2 | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECF4E9
#ECF4E9
oklch(95.8% 0.017 137)
- #F6EEF9
#F6EEF9
oklch(95.8% 0.017 316.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #ECF4E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.018
- Linen #FAF0E6 ΔE 0.019
- White Smoke #F5F5F5 ΔE 0.021
- Beige #F5F5DC ΔE 0.021
- Old Lace #FDF5E6 ΔE 0.023
- Seashell #FFF5EE ΔE 0.027
- Honeydew #F0FFF0 ΔE 0.028
- Very Light Pink #FFF4F2 ΔE 0.029
Use #ECF4E9 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.