#EFFFF5
Closest named color: Honeydew (#F0FFF0). oklch(98.5% 0.021 158.6), rgb(239, 255, 245).
Aa
Black text reads best on this color (20.29:1).
About this color
#EFFFF5 is a very light close to neutral grey. In OKLCH its lightness is 99%, its chroma 0.021. 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 20.29:1.
| Hue family | Neutrals |
| Lightness | very light (99%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Honeydew (#F0FFF0) |
| Black text | 20.29:1 |
| White text | 1.03:1 |
Values
| HEX | #EFFFF5 |
| RGB | rgb(239, 255, 245) |
| HSL | hsl(143, 100%, 97%) |
| OKLCH | oklch(98.5% 0.021 158.6) |
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 #EFFFF5 | 1.03:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFFFF5 | 20.29:1 | AAA | Lc 103.6 | Preferred for body text |
| #EFFFF5 text on white | 1.03:1 | Fails | Lc 0.0 | Not readable |
| #EFFFF5 text on black | 20.29:1 | AAA | Lc -105.2 | 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)
#EFFFF5
oklch(98.5% 0.021 158.6)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D1DCD5
oklch(88.4% 0.015 158.2)
-
Step 300
300
#B3C6BA
oklch(80.9% 0.027 158.1)
-
Step 400
400
#8AA997
oklch(70.6% 0.043 159.6)
-
Step 500
500
#6D947D
oklch(63.1% 0.055 158.5)
-
Step 600
600
#547E66
oklch(55.5% 0.06 158.6)
-
Step 700
700
#446B55
oklch(49.2% 0.057 158.7)
-
Step 800
800
#385745
oklch(42.7% 0.048 158.1)
-
Step 900
900
#31483A
oklch(37.8% 0.037 157.4)
-
Step 950
950
#1D2A22
oklch(27% 0.023 157.4)
#EFFFF5 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) | #FFFCF5 | 0.021 |
| Deuteranopia (no green cones) | #FCFAF6 | 0.020 |
| Tritanopia (no blue cones) | #EDFFFC | 0.009 |
| Achromatopsia (no color) | #FBFBFB | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFFFF5
#EFFFF5
oklch(98.5% 0.021 158.6)
- #FFF8FC
#FFF8FC
oklch(98.6% 0.009 341.8)
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 #EFFFF5, 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 0.011
- Azure #F0FFFF ΔE 0.014
- Ivory #FFFFF0 ΔE 0.021
- Light Cyan #E0FFFF ΔE 0.022
- Cultured #F8F9FA ΔE 0.022
- Floral White #FFFAF0 ΔE 0.022
- Pale Grey #FDFDFE ΔE 0.024
Use #EFFFF5 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.