#99F3A6
Closest named color: Seafoam (#80F9AD). oklch(88.8% 0.137 147.8), rgb(153, 243, 166).
Aa
Black text reads best on this color (15.72:1).
About this color
#99F3A6 is a light, moderately saturated green. In OKLCH its lightness is 89%, its chroma 0.137 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seafoam (#80F9AD), ΔE 0.024 away. Black text reads best on it, at 15.72:1.
| Hue family | Greens |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Seafoam (#80F9AD) |
| Black text | 15.72:1 |
| White text | 1.33:1 |
Values
| HEX | #99F3A6 |
| RGB | rgb(153, 243, 166) |
| HSL | hsl(129, 79%, 78%) |
| OKLCH | oklch(88.8% 0.137 147.8) |
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 #99F3A6 | 1.33:1 | Fails | Lc -18.8 | Dividers and decoration only |
| Black text on #99F3A6 | 15.72:1 | AAA | Lc 87.3 | Fine for body text |
| #99F3A6 text on white | 1.33:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #99F3A6 text on black | 15.72:1 | AAA | Lc -87.3 | Fine 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 200.
-
Step 50
50
#ECFAED
oklch(97.1% 0.023 147.5)
-
Step 100
100
#D4F4D7
oklch(93.6% 0.051 147.8)
-
Step 200
200 (this color)
#99F3A6
oklch(88.8% 0.137 147.8)
-
Step 300
300
#64DF7C
oklch(81% 0.176 147.8)
-
Step 400
400
#00C14D
oklch(70.7% 0.205 147.9)
-
Step 500
500
#00A641
oklch(63.2% 0.184 147.9)
-
Step 600
600
#008B35
oklch(55.5% 0.161 147.8)
-
Step 700
700
#00752B
oklch(49% 0.143 147.8)
-
Step 800
800
#006022
oklch(42.6% 0.124 147.8)
-
Step 900
900
#00501B
oklch(37.6% 0.109 147.8)
-
Step 950
950
#00300D
oklch(27% 0.078 147.8)
#99F3A6 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) | #F5E4A1 | 0.112 |
| Deuteranopia (no green cones) | #E7DBAA | 0.109 |
| Tritanopia (no blue cones) | #8CEFDF | 0.079 |
| Achromatopsia (no color) | #DFDFDF | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99F3A6
#99F3A6
oklch(88.8% 0.137 147.8)
- #FFC3FC
#FFC3FC
oklch(88.8% 0.1 328)
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 #99F3A6, closest first.
No curated palette has a color within ΔE 0.04 of #99F3A6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam #80F9AD ΔE 0.024
- Foam Green #90FDA9 ΔE 0.026
- Seafoam Green #7AF9AB ΔE 0.028
- Light Blue Green #7EFBB3 ΔE 0.028
- Light Mint Green #A6FBB2 ΔE 0.028
- Light Green #90EE90 ΔE 0.029
- Mint #9FFEB0 ΔE 0.030
- Pale Green #98FB98 ΔE 0.032
Use #99F3A6 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.