#A3FBBF
Closest named color: Light Seafoam (#A0FEBF). oklch(91.7% 0.119 153.7), rgb(163, 251, 191).
Aa
Black text reads best on this color (17.10:1).
About this color
#A3FBBF is a very light, moderately saturated green. In OKLCH its lightness is 92%, its chroma 0.119 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Seafoam (#A0FEBF), ΔE 0.008 away. Black text reads best on it, at 17.10:1.
| Hue family | Greens |
| Lightness | very light (92%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Light Seafoam (#A0FEBF) |
| Black text | 17.10:1 |
| White text | 1.22:1 |
Values
| HEX | #A3FBBF |
| RGB | rgb(163, 251, 191) |
| HSL | hsl(139, 92%, 81%) |
| OKLCH | oklch(91.7% 0.119 153.7) |
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 #A3FBBF | 1.22:1 | Fails | Lc -12.9 | Not readable |
| Black text on #A3FBBF | 17.10:1 | AAA | Lc 92.5 | Preferred for body text |
| #A3FBBF text on white | 1.22:1 | Fails | Lc 11.1 | Not readable |
| #A3FBBF text on black | 17.10:1 | AAA | Lc -92.9 | 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 100.
-
Step 50
50
#ECFAEF
oklch(97.2% 0.021 152.2)
-
Step 100
100 (this color)
#A3FBBF
oklch(91.7% 0.119 153.7)
-
Step 200
200
#AEEAC0
oklch(88.5% 0.084 153.9)
-
Step 300
300
#65DD92
oklch(80.9% 0.153 153.7)
-
Step 400
400
#00BF69
oklch(70.6% 0.179 153.7)
-
Step 500
500
#00A459
oklch(63% 0.16 153.6)
-
Step 600
600
#008A4A
oklch(55.6% 0.141 153.6)
-
Step 700
700
#00743E
oklch(49% 0.124 153.9)
-
Step 800
800
#005F31
oklch(42.6% 0.108 153.6)
-
Step 900
900
#005028
oklch(37.8% 0.097 153.4)
-
Step 950
950
#003016
oklch(27.1% 0.069 153.7)
#A3FBBF 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) | #FBEEBC | 0.106 |
| Deuteranopia (no green cones) | #EDE4C2 | 0.103 |
| Tritanopia (no blue cones) | #93F9EB | 0.061 |
| Achromatopsia (no color) | #E8E8E8 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3FBBF
#A3FBBF
oklch(91.7% 0.119 153.7)
- #FFD4F6
#FFD4F6
oklch(91.6% 0.065 333.4)
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 #A3FBBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Seafoam #A0FEBF ΔE 0.008
- Light Mint Green #A6FBB2 ΔE 0.016
- Light Seafoam Green #A7FFB5 ΔE 0.019
- Mint #9FFEB0 ΔE 0.024
- Light Mint #B6FFBB ΔE 0.024
- Celadon #BEFDB7 ΔE 0.030
- Light Aquamarine #7BFDC7 ΔE 0.033
- Light Pastel Green #B2FBA5 ΔE 0.033
Use #A3FBBF 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.