#A3FBBA
Closest named color: Light Seafoam (#A0FEBF). oklch(91.6% 0.123 151.6), rgb(163, 251, 186).
Aa
Black text reads best on this color (17.06:1).
About this color
#A3FBBA is a very light, moderately saturated green. In OKLCH its lightness is 92%, its chroma 0.123 and its hue 152°. 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 17.06:1.
| Hue family | Greens |
| Lightness | very light (92%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Light Seafoam (#A0FEBF) |
| Black text | 17.06:1 |
| White text | 1.23:1 |
Values
| HEX | #A3FBBA |
| RGB | rgb(163, 251, 186) |
| HSL | hsl(136, 92%, 81%) |
| OKLCH | oklch(91.6% 0.123 151.6) |
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 #A3FBBA | 1.23:1 | Fails | Lc -13.1 | Not readable |
| Black text on #A3FBBA | 17.06:1 | AAA | Lc 92.3 | Preferred for body text |
| #A3FBBA text on white | 1.23:1 | Fails | Lc 11.3 | Not readable |
| #A3FBBA text on black | 17.06:1 | AAA | Lc -92.8 | 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 100.
-
Step 50
50
#ECFAEE
oklch(97.1% 0.022 149.7)
-
Step 100
100 (this color)
#A3FBBA
oklch(91.6% 0.123 151.6)
-
Step 200
200
#AEEABC
oklch(88.4% 0.088 151.5)
-
Step 300
300
#66DD8C
oklch(80.9% 0.158 151.8)
-
Step 400
400
#00C061
oklch(70.7% 0.187 151.7)
-
Step 500
500
#00A552
oklch(63.2% 0.168 151.6)
-
Step 600
600
#008A44
oklch(55.5% 0.147 151.7)
-
Step 700
700
#007538
oklch(49.2% 0.131 151.5)
-
Step 800
800
#00602D
oklch(42.8% 0.114 151.6)
-
Step 900
900
#005024
oklch(37.7% 0.101 151.4)
-
Step 950
950
#003013
oklch(27.1% 0.072 151.4)
#A3FBBA 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) | #FCEDB6 | 0.108 |
| Deuteranopia (no green cones) | #EEE4BE | 0.104 |
| Tritanopia (no blue cones) | #94F8E9 | 0.066 |
| Achromatopsia (no color) | #E8E8E8 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3FBBA
#A3FBBA
oklch(91.6% 0.123 151.6)
- #FFD3F8
#FFD3F8
oklch(91.5% 0.069 331.5)
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 #A3FBBA, 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 0.010
- Light Seafoam Green #A7FFB5 ΔE 0.015
- Mint #9FFEB0 ΔE 0.018
- Light Mint #B6FFBB ΔE 0.023
- Light Pastel Green #B2FBA5 ΔE 0.027
- Celadon #BEFDB7 ΔE 0.029
- Washed Out Green #BCF5A6 ΔE 0.031
Use #A3FBBA 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.