#EFF9EF
Closest named color: Honeydew (#F0FFF0). oklch(97.2% 0.017 145.4), rgb(239, 249, 239).
Aa
Black text reads best on this color (19.46:1).
About this color
#EFF9EF is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Honeydew (#F0FFF0), ΔE 0.015 away. Black text reads best on it, at 19.46:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Honeydew (#F0FFF0) |
| Black text | 19.46:1 |
| White text | 1.07:1 |
Values
| HEX | #EFF9EF |
| RGB | rgb(239, 249, 239) |
| HSL | hsl(120, 45%, 96%) |
| OKLCH | oklch(97.2% 0.017 145.4) |
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 #EFF9EF | 1.07:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFF9EF | 19.46:1 | AAA | Lc 100.8 | Preferred for body text |
| #EFF9EF text on white | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #EFF9EF text on black | 19.46:1 | AAA | Lc -102.1 | 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)
#EFF9EF
oklch(97.2% 0.017 145.4)
-
Step 100
100
#E7EBE7
oklch(93.6% 0.007 145.5)
-
Step 200
200
#D4DBD4
oklch(88.4% 0.012 145.5)
-
Step 300
300
#B8C5B8
oklch(81% 0.023 145.4)
-
Step 400
400
#94A794
oklch(70.8% 0.035 145.2)
-
Step 500
500
#799179
oklch(63.1% 0.045 145)
-
Step 600
600
#627B62
oklch(55.6% 0.048 144.9)
-
Step 700
700
#516851
oklch(49.2% 0.045 144.8)
-
Step 800
800
#425543
oklch(42.8% 0.038 146.2)
-
Step 900
900
#384638
oklch(37.7% 0.03 145)
-
Step 950
950
#212921
oklch(27% 0.018 145)
#EFF9EF 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) | #FAF7EF | 0.015 |
| Deuteranopia (no green cones) | #F8F6EF | 0.013 |
| Tritanopia (no blue cones) | #EEF8F6 | 0.011 |
| Achromatopsia (no color) | #F6F6F6 | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFF9EF
#EFF9EF
oklch(97.2% 0.017 145.4)
- #FCF2FC
#FCF2FC
oklch(97.2% 0.017 325.7)
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 #EFF9EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Honeydew #F0FFF0 ΔE 0.015
- White Smoke #F5F5F5 ΔE 0.017
- Cultured #F8F9FA ΔE 0.020
- Old Lace #FDF5E6 ΔE 0.020
- Mint Cream #F5FFFA ΔE 0.020
- Floral White #FFFAF0 ΔE 0.021
- Anti-Flash White #EDF2F4 ΔE 0.022
- Seashell #FFF5EE ΔE 0.022
Use #EFF9EF 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.