#ECF9F0
Closest named color: Honeydew (#F0FFF0). oklch(97% 0.018 155.8), rgb(236, 249, 240).
Aa
Black text reads best on this color (19.37:1).
About this color
#ECF9F0 is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Honeydew (#F0FFF0), ΔE 0.017 away. Black text reads best on it, at 19.37:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Honeydew (#F0FFF0) |
| Black text | 19.37:1 |
| White text | 1.08:1 |
Values
| HEX | #ECF9F0 |
| RGB | rgb(236, 249, 240) |
| HSL | hsl(138, 52%, 95%) |
| OKLCH | oklch(97% 0.018 155.8) |
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 #ECF9F0 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #ECF9F0 | 19.37:1 | AAA | Lc 100.5 | Preferred for body text |
| #ECF9F0 text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #ECF9F0 text on black | 19.37:1 | 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)
#ECF9F0
oklch(97% 0.018 155.8)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D3DCD5
oklch(88.6% 0.014 152.6)
-
Step 300
300
#B5C5BA
oklch(80.8% 0.023 155.8)
-
Step 400
400
#8FA897
oklch(70.7% 0.037 155.6)
-
Step 500
500
#73927D
oklch(63% 0.047 155.2)
-
Step 600
600
#5B7D67
oklch(55.7% 0.052 156)
-
Step 700
700
#4A6955
oklch(49% 0.048 155.9)
-
Step 800
800
#3D5646
oklch(42.8% 0.04 156.2)
-
Step 900
900
#34473B
oklch(37.8% 0.032 156.8)
-
Step 950
950
#1F2922
oklch(26.9% 0.019 154.4)
#ECF9F0 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) | #F9F7F0 | 0.017 |
| Deuteranopia (no green cones) | #F6F5F0 | 0.016 |
| Tritanopia (no blue cones) | #EAF9F6 | 0.008 |
| Achromatopsia (no color) | #F6F6F6 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECF9F0
#ECF9F0
oklch(97% 0.018 155.8)
- #FEF1FA
#FEF1FA
oklch(97.1% 0.018 336.5)
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 #ECF9F0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Honeydew #F0FFF0 ΔE 0.017
- White Smoke #F5F5F5 ΔE 0.018
- Anti-Flash White #EDF2F4 ΔE 0.021
- Cultured #F8F9FA ΔE 0.022
- Mint Cream #F5FFFA ΔE 0.022
- Alice Blue #F0F8FF ΔE 0.022
- Azure #F0FFFF ΔE 0.023
- Light Cyan #E0FFFF ΔE 0.023
Use #ECF9F0 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.