#ECFDF5
Closest named color: Honeydew (#F0FFF0). oklch(97.9% 0.021 166.1), rgb(236, 253, 245).
Aa
Black text reads best on this color (19.93:1).
About this color
#ECFDF5 is a very light close to neutral grey. In OKLCH its lightness is 98%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Honeydew (#F0FFF0), ΔE 0.011 away. Black text reads best on it, at 19.93:1.
| Hue family | Neutrals |
| Lightness | very light (98%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Honeydew (#F0FFF0) |
| Black text | 19.93:1 |
| White text | 1.05:1 |
Values
| HEX | #ECFDF5 |
| RGB | rgb(236, 253, 245) |
| HSL | hsl(152, 81%, 96%) |
| OKLCH | oklch(97.9% 0.021 166.1) |
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 #ECFDF5 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| Black text on #ECFDF5 | 19.93:1 | AAA | Lc 102.4 | Preferred for body text |
| #ECFDF5 text on white | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #ECFDF5 text on black | 19.93:1 | AAA | Lc -103.9 | 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)
#ECFDF5
oklch(97.9% 0.021 166.1)
-
Step 100
100
#E5EBE9
oklch(93.5% 0.007 174.4)
-
Step 200
200
#D1DCD7
oklch(88.5% 0.014 167.1)
-
Step 300
300
#B1C6BD
oklch(80.8% 0.026 168.1)
-
Step 400
400
#88A99B
oklch(70.6% 0.042 167.5)
-
Step 500
500
#6A9482
oklch(63% 0.054 166.3)
-
Step 600
600
#517F6B
oklch(55.7% 0.06 165.2)
-
Step 700
700
#416B5A
oklch(49.2% 0.055 166.6)
-
Step 800
800
#365749
oklch(42.7% 0.045 165.7)
-
Step 900
900
#2F483D
oklch(37.8% 0.036 165.3)
-
Step 950
950
#1C2A24
oklch(27% 0.022 166.4)
#ECFDF5 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) | #FCFAF5 | 0.021 |
| Deuteranopia (no green cones) | #F9F8F5 | 0.020 |
| Tritanopia (no blue cones) | #E9FDFB | 0.009 |
| Achromatopsia (no color) | #F9F9F9 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECFDF5
#ECFDF5
oklch(97.9% 0.021 166.1)
- #FFF5FA
#FFF5FA
oklch(97.9% 0.013 345.5)
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 #ECFDF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Honeydew #F0FFF0 ΔE 0.011
- Azure #F0FFFF ΔE 0.014
- Mint Cream #F5FFFA ΔE 0.014
- Light Cyan #E0FFFF ΔE 0.018
- Cultured #F8F9FA ΔE 0.021
- Alice Blue #F0F8FF ΔE 0.022
- White Smoke #F5F5F5 ΔE 0.023
- Floral White #FFFAF0 ΔE 0.024
Use #ECFDF5 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.