#EFFEF4
Closest named color: Honeydew (#F0FFF0). oklch(98.3% 0.02 156.8), rgb(239, 254, 244).
Aa
Black text reads best on this color (20.15:1).
About this color
#EFFEF4 is a very light close to neutral grey. In OKLCH its lightness is 98%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Honeydew (#F0FFF0), ΔE 0.007 away. Black text reads best on it, at 20.15:1.
| Hue family | Neutrals |
| Lightness | very light (98%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Honeydew (#F0FFF0) |
| Black text | 20.15:1 |
| White text | 1.04:1 |
Values
| HEX | #EFFEF4 |
| RGB | rgb(239, 254, 244) |
| HSL | hsl(140, 88%, 97%) |
| OKLCH | oklch(98.3% 0.02 156.8) |
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 #EFFEF4 | 1.04:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFFEF4 | 20.15:1 | AAA | Lc 103.2 | Preferred for body text |
| #EFFEF4 text on white | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #EFFEF4 text on black | 20.15:1 | AAA | Lc -104.7 | 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)
#EFFEF4
oklch(98.3% 0.02 156.8)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D2DCD5
oklch(88.5% 0.014 155.6)
-
Step 300
300
#B4C6BA
oklch(80.9% 0.026 156.6)
-
Step 400
400
#8CA996
oklch(70.7% 0.042 156.5)
-
Step 500
500
#6F947C
oklch(63.2% 0.055 156.1)
-
Step 600
600
#567E65
oklch(55.6% 0.059 156.5)
-
Step 700
700
#466A54
oklch(49% 0.054 156.9)
-
Step 800
800
#3A5745
oklch(42.8% 0.046 156.6)
-
Step 900
900
#32473A
oklch(37.6% 0.034 157.1)
-
Step 950
950
#1E2A22
oklch(27.1% 0.022 155.5)
#EFFEF4 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) | #FEFBF4 | 0.020 |
| Deuteranopia (no green cones) | #FBF9F4 | 0.019 |
| Tritanopia (no blue cones) | #EDFEFB | 0.009 |
| Achromatopsia (no color) | #FAFAFA | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFFEF4
#EFFEF4
oklch(98.3% 0.02 156.8)
- #FFF7FC
#FFF7FC
oklch(98.4% 0.011 339.3)
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 #EFFEF4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Honeydew #F0FFF0 ΔE 0.007
- Mint Cream #F5FFFA ΔE 0.012
- Azure #F0FFFF ΔE 0.014
- Cultured #F8F9FA ΔE 0.021
- Ivory #FFFFF0 ΔE 0.021
- Floral White #FFFAF0 ΔE 0.021
- Light Cyan #E0FFFF ΔE 0.022
- Pale Grey #FDFDFE ΔE 0.024
Use #EFFEF4 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.