#EFFBEF
Closest named color: Honeydew (#F0FFF0). oklch(97.6% 0.02 145.4), rgb(239, 251, 239).
Aa
Black text reads best on this color (19.71:1).
About this color
#EFFBEF 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 0.010 away. Black text reads best on it, at 19.71:1.
| Hue family | Neutrals |
| Lightness | very light (98%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Honeydew (#F0FFF0) |
| Black text | 19.71:1 |
| White text | 1.06:1 |
Values
| HEX | #EFFBEF |
| RGB | rgb(239, 251, 239) |
| HSL | hsl(120, 60%, 96%) |
| OKLCH | oklch(97.6% 0.02 145.4) |
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 #EFFBEF | 1.06:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFFBEF | 19.71:1 | AAA | Lc 101.7 | Preferred for body text |
| #EFFBEF text on white | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #EFFBEF text on black | 19.71:1 | AAA | Lc -103.0 | 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)
#EFFBEF
oklch(97.6% 0.02 145.4)
-
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
#B7C5B7
oklch(80.9% 0.025 145.3)
-
Step 400
400
#91A891
oklch(70.7% 0.042 145.1)
-
Step 500
500
#769276
oklch(63% 0.052 144.9)
-
Step 600
600
#5E7D5F
oklch(55.7% 0.058 145.6)
-
Step 700
700
#4D694E
oklch(49.1% 0.054 145.6)
-
Step 800
800
#405640
oklch(42.8% 0.045 144.7)
-
Step 900
900
#364736
oklch(37.8% 0.036 144.8)
-
Step 950
950
#202920
oklch(26.9% 0.021 145)
#EFFBEF 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) | #FCF8EE | 0.018 |
| Deuteranopia (no green cones) | #F9F7F0 | 0.016 |
| Tritanopia (no blue cones) | #EEFAF7 | 0.012 |
| Achromatopsia (no color) | #F8F8F8 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFFBEF
#EFFBEF
oklch(97.6% 0.02 145.4)
- #FFF3FF
#FFF3FF
oklch(97.7% 0.02 325.7)
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 #EFFBEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Honeydew #F0FFF0 ΔE 0.010
- Mint Cream #F5FFFA ΔE 0.018
- Azure #F0FFFF ΔE 0.021
- Floral White #FFFAF0 ΔE 0.021
- White Smoke #F5F5F5 ΔE 0.021
- Cultured #F8F9FA ΔE 0.021
- Old Lace #FDF5E6 ΔE 0.022
- Ivory #FFFFF0 ΔE 0.024
Use #EFFBEF 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.