#EFFCEF
Closest named color: Honeydew (#F0FFF0). oklch(97.8% 0.022 145.4), rgb(239, 252, 239).
Aa
Black text reads best on this color (19.84:1).
About this color
#EFFCEF is a very light close to neutral grey. In OKLCH its lightness is 98%, its chroma 0.022. 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 19.84:1.
| Hue family | Neutrals |
| Lightness | very light (98%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Honeydew (#F0FFF0) |
| Black text | 19.84:1 |
| White text | 1.05:1 |
Values
| HEX | #EFFCEF |
| RGB | rgb(239, 252, 239) |
| HSL | hsl(120, 68%, 96%) |
| OKLCH | oklch(97.8% 0.022 145.4) |
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 #EFFCEF | 1.05:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFFCEF | 19.84:1 | AAA | Lc 102.1 | Preferred for body text |
| #EFFCEF text on white | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #EFFCEF text on black | 19.84:1 | AAA | Lc -103.5 | 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)
#EFFCEF
oklch(97.8% 0.022 145.4)
-
Step 100
100
#E7EBE7
oklch(93.6% 0.007 145.5)
-
Step 200
200
#D3DCD3
oklch(88.5% 0.016 145.4)
-
Step 300
300
#B6C6B6
oklch(81% 0.028 145.3)
-
Step 400
400
#90A890
oklch(70.6% 0.044 145.1)
-
Step 500
500
#749374
oklch(63.1% 0.058 144.9)
-
Step 600
600
#5C7D5D
oklch(55.5% 0.062 145.4)
-
Step 700
700
#4B6A4C
oklch(49.1% 0.06 145.4)
-
Step 800
800
#3E563F
oklch(42.6% 0.048 145.7)
-
Step 900
900
#354735
oklch(37.7% 0.038 144.8)
-
Step 950
950
#1F2A1F
oklch(27.1% 0.025 144.8)
#EFFCEF 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) | #FDF9EE | 0.019 |
| Deuteranopia (no green cones) | #FAF8F0 | 0.017 |
| Tritanopia (no blue cones) | #EEFBF8 | 0.013 |
| Achromatopsia (no color) | #F8F8F8 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFFCEF
#EFFCEF
oklch(97.8% 0.022 145.4)
- #FFF4FF
#FFF4FF
oklch(97.9% 0.019 325.7)
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 #EFFCEF, 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 0.017
- Azure #F0FFFF ΔE 0.021
- Floral White #FFFAF0 ΔE 0.021
- Cultured #F8F9FA ΔE 0.023
- Ivory #FFFFF0 ΔE 0.023
- Old Lace #FDF5E6 ΔE 0.023
- White Smoke #F5F5F5 ΔE 0.023
Use #EFFCEF 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.