#ECFDF1
Closest named color: Honeydew (#F0FFF0). oklch(97.8% 0.024 155.2), rgb(236, 253, 241).
Aa
Black text reads best on this color (19.88:1).
About this color
#ECFDF1 is a very light close to neutral grey. In OKLCH its lightness is 98%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Honeydew (#F0FFF0), ΔE 0.008 away. Black text reads best on it, at 19.88:1.
| Hue family | Neutrals |
| Lightness | very light (98%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Honeydew (#F0FFF0) |
| Black text | 19.88:1 |
| White text | 1.05:1 |
Values
| HEX | #ECFDF1 |
| RGB | rgb(236, 253, 241) |
| HSL | hsl(138, 81%, 96%) |
| OKLCH | oklch(97.8% 0.024 155.2) |
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 #ECFDF1 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| Black text on #ECFDF1 | 19.88:1 | AAA | Lc 102.2 | Preferred for body text |
| #ECFDF1 text on white | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #ECFDF1 text on black | 19.88:1 | AAA | Lc -103.7 | 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)
#ECFDF1
oklch(97.8% 0.024 155.2)
-
Step 100
100
#E5ECE7
oklch(93.6% 0.01 155.1)
-
Step 200
200
#D1DDD4
oklch(88.6% 0.018 153.5)
-
Step 300
300
#B2C7B8
oklch(80.9% 0.031 154.6)
-
Step 400
400
#89AA93
oklch(70.7% 0.049 154.6)
-
Step 500
500
#6B9579
oklch(63.1% 0.062 155)
-
Step 600
600
#527F62
oklch(55.5% 0.067 155.3)
-
Step 700
700
#426C51
oklch(49.2% 0.064 155.1)
-
Step 800
800
#375842
oklch(42.8% 0.053 154.4)
-
Step 900
900
#304838
oklch(37.7% 0.04 154.8)
-
Step 950
950
#1C2A21
oklch(26.9% 0.025 156.1)
#ECFDF1 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) | #FDFAF0 | 0.022 |
| Deuteranopia (no green cones) | #FAF8F2 | 0.021 |
| Tritanopia (no blue cones) | #EAFDF9 | 0.011 |
| Achromatopsia (no color) | #F9F9F9 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECFDF1
#ECFDF1
oklch(97.8% 0.024 155.2)
- #FFF4FC
#FFF4FC
oklch(97.8% 0.016 335.1)
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 #ECFDF1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Honeydew #F0FFF0 ΔE 0.008
- Mint Cream #F5FFFA ΔE 0.018
- Azure #F0FFFF ΔE 0.019
- Light Cyan #E0FFFF ΔE 0.021
- Cultured #F8F9FA ΔE 0.024
- Floral White #FFFAF0 ΔE 0.025
- White Smoke #F5F5F5 ΔE 0.025
- Ivory #FFFFF0 ΔE 0.025
Use #ECFDF1 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.