#EFF9E9
Closest named color: Honeydew (#F0FFF0). oklch(97% 0.024 133.5), rgb(239, 249, 233).
Aa
Black text reads best on this color (19.39:1).
About this color
#EFF9E9 is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.024. 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 19.39:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Honeydew (#F0FFF0) |
| Black text | 19.39:1 |
| White text | 1.08:1 |
Values
| HEX | #EFF9E9 |
| RGB | rgb(239, 249, 233) |
| HSL | hsl(97, 57%, 95%) |
| OKLCH | oklch(97% 0.024 133.5) |
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 #EFF9E9 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFF9E9 | 19.39:1 | AAA | Lc 100.5 | Preferred for body text |
| #EFF9E9 text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #EFF9E9 text on black | 19.39:1 | AAA | Lc -101.8 | 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)
#EFF9E9
oklch(97% 0.024 133.5)
-
Step 100
100
#E7EBE5
oklch(93.5% 0.009 134.9)
-
Step 200
200
#D5DCD1
oklch(88.6% 0.017 133.8)
-
Step 300
300
#B9C5B1
oklch(80.9% 0.031 132.6)
-
Step 400
400
#95A889
oklch(70.8% 0.049 133.4)
-
Step 500
500
#7B926B
oklch(63.1% 0.062 132.8)
-
Step 600
600
#637C53
oklch(55.5% 0.068 133.7)
-
Step 700
700
#526944
oklch(49.2% 0.063 134.1)
-
Step 800
800
#445538
oklch(42.7% 0.051 132.9)
-
Step 900
900
#394630
oklch(37.6% 0.04 132.9)
-
Step 950
950
#21291C
oklch(26.9% 0.026 133.7)
#EFF9E9 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) | #FBF6E8 | 0.016 |
| Deuteranopia (no green cones) | #F9F6EA | 0.015 |
| Tritanopia (no blue cones) | #EFF7F4 | 0.017 |
| Achromatopsia (no color) | #F6F6F6 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFF9E9
#EFF9E9
oklch(97% 0.024 133.5)
- #FAF2FF
#FAF2FF
oklch(97.1% 0.019 312.8)
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 #EFF9E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Honeydew #F0FFF0 ΔE 0.015
- Beige #F5F5DC ΔE 0.017
- Old Lace #FDF5E6 ΔE 0.019
- White Smoke #F5F5F5 ΔE 0.024
- Floral White #FFFAF0 ΔE 0.024
- Cornsilk #FFF8DC ΔE 0.025
- Linen #FAF0E6 ΔE 0.025
- Seashell #FFF5EE ΔE 0.025
Use #EFF9E9 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.