#EFFCF0
Closest named color: Honeydew (#F0FFF0). oklch(97.8% 0.021 147.6), rgb(239, 252, 240).
Aa
Black text reads best on this color (19.85:1).
About this color
#EFFCF0 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 0.008 away. Black text reads best on it, at 19.85:1.
| Hue family | Neutrals |
| Lightness | very light (98%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Honeydew (#F0FFF0) |
| Black text | 19.85:1 |
| White text | 1.05:1 |
Values
| HEX | #EFFCF0 |
| RGB | rgb(239, 252, 240) |
| HSL | hsl(125, 68%, 96%) |
| OKLCH | oklch(97.8% 0.021 147.6) |
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 #EFFCF0 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFFCF0 | 19.85:1 | AAA | Lc 102.1 | Preferred for body text |
| #EFFCF0 text on white | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #EFFCF0 text on black | 19.85:1 | AAA | Lc -103.6 | 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)
#EFFCF0
oklch(97.8% 0.021 147.6)
-
Step 100
100
#E7EBE7
oklch(93.6% 0.007 145.5)
-
Step 200
200
#D3DCD4
oklch(88.5% 0.015 148.8)
-
Step 300
300
#B6C6B7
oklch(81% 0.027 147.1)
-
Step 400
400
#8FA892
oklch(70.6% 0.042 148.5)
-
Step 500
500
#739377
oklch(63.1% 0.055 148.3)
-
Step 600
600
#5C7D5F
oklch(55.6% 0.059 147.1)
-
Step 700
700
#4B6A4F
oklch(49.2% 0.056 148)
-
Step 800
800
#3E5641
oklch(42.7% 0.045 148)
-
Step 900
900
#354737
oklch(37.7% 0.035 147.8)
-
Step 950
950
#1F2A20
oklch(27.1% 0.024 147.3)
#EFFCF0 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) | #FCF9EF | 0.017 |
| Deuteranopia (no green cones) | #FAF8F1 | 0.017 |
| Tritanopia (no blue cones) | #EEFBF8 | 0.012 |
| Achromatopsia (no color) | #F8F8F8 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFFCF0
#EFFCF0
oklch(97.8% 0.021 147.6)
- #FFF4FE
#FFF4FE
oklch(97.9% 0.018 328.5)
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 #EFFCF0, 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 0.016
- Azure #F0FFFF ΔE 0.019
- Floral White #FFFAF0 ΔE 0.021
- Cultured #F8F9FA ΔE 0.022
- White Smoke #F5F5F5 ΔE 0.022
- Ivory #FFFFF0 ΔE 0.023
- Old Lace #FDF5E6 ΔE 0.023
Use #EFFCF0 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.