#ECF9EE
Closest named color: Honeydew (#F0FFF0). oklch(96.9% 0.02 150.1), rgb(236, 249, 238).
Aa
Black text reads best on this color (19.35:1).
About this color
#ECF9EE is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Honeydew (#F0FFF0), ΔE 0.016 away. Black text reads best on it, at 19.35:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Honeydew (#F0FFF0) |
| Black text | 19.35:1 |
| White text | 1.08:1 |
Values
| HEX | #ECF9EE |
| RGB | rgb(236, 249, 238) |
| HSL | hsl(129, 52%, 95%) |
| OKLCH | oklch(96.9% 0.02 150.1) |
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 #ECF9EE | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #ECF9EE | 19.35:1 | AAA | Lc 100.4 | Preferred for body text |
| #ECF9EE text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #ECF9EE text on black | 19.35:1 | AAA | Lc -101.6 | 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)
#ECF9EE
oklch(96.9% 0.02 150.1)
-
Step 100
100
#E6EBE7
oklch(93.5% 0.008 151.9)
-
Step 200
200
#D3DCD4
oklch(88.5% 0.015 148.8)
-
Step 300
300
#B6C6B8
oklch(81% 0.026 149)
-
Step 400
400
#8FA893
oklch(70.6% 0.041 149.8)
-
Step 500
500
#739379
oklch(63.1% 0.053 150.3)
-
Step 600
600
#5B7D62
oklch(55.6% 0.057 150.5)
-
Step 700
700
#4B6951
oklch(49% 0.052 150.3)
-
Step 800
800
#3E5642
oklch(42.7% 0.044 149.3)
-
Step 900
900
#354738
oklch(37.8% 0.034 149.5)
-
Step 950
950
#1F2A21
oklch(27.1% 0.022 150.1)
#ECF9EE 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) | #F9F6ED | 0.018 |
| Deuteranopia (no green cones) | #F7F5EF | 0.017 |
| Tritanopia (no blue cones) | #EBF8F6 | 0.012 |
| Achromatopsia (no color) | #F6F6F6 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECF9EE
#ECF9EE
oklch(96.9% 0.02 150.1)
- #FDF0FB
#FDF0FB
oklch(96.8% 0.02 330.6)
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 #ECF9EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Honeydew #F0FFF0 ΔE 0.016
- White Smoke #F5F5F5 ΔE 0.020
- Anti-Flash White #EDF2F4 ΔE 0.022
- Old Lace #FDF5E6 ΔE 0.023
- Mint Cream #F5FFFA ΔE 0.023
- Beige #F5F5DC ΔE 0.023
- Cultured #F8F9FA ΔE 0.024
- Azure #F0FFFF ΔE 0.024
Use #ECF9EE 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.