#99F3A8
Closest named color: Seafoam (#80F9AD). oklch(88.9% 0.135 148.5), rgb(153, 243, 168).
Aa
Black text reads best on this color (15.74:1).
About this color
#99F3A8 is a light, moderately saturated green. In OKLCH its lightness is 89%, its chroma 0.135 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 15.74:1.
| Hue family | Greens |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Seafoam (#80F9AD) |
| Black text | 15.74:1 |
| White text | 1.33:1 |
Values
| HEX | #99F3A8 |
| RGB | rgb(153, 243, 168) |
| HSL | hsl(130, 79%, 78%) |
| OKLCH | oklch(88.9% 0.135 148.5) |
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 #99F3A8 | 1.33:1 | Fails | Lc -18.7 | Dividers and decoration only |
| Black text on #99F3A8 | 15.74:1 | AAA | Lc 87.3 | Fine for body text |
| #99F3A8 text on white | 1.33:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #99F3A8 text on black | 15.74:1 | AAA | Lc -87.4 | 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
#D4F4D8
oklch(93.7% 0.05 148.7)
-
Step 200
200 (this color)
#99F3A8
oklch(88.9% 0.135 148.5)
-
Step 300
300
#64DE7F
oklch(80.8% 0.172 148.5)
-
Step 400
400
#00C151
oklch(70.8% 0.202 148.5)
-
Step 500
500
#00A544
oklch(63% 0.18 148.5)
-
Step 600
600
#008B38
oklch(55.6% 0.159 148.5)
-
Step 700
700
#00752E
oklch(49.1% 0.14 148.5)
-
Step 800
800
#006024
oklch(42.7% 0.122 148.4)
-
Step 900
900
#00501D
oklch(37.6% 0.108 148.5)
-
Step 950
950
#00300E
oklch(27% 0.077 148.3)
#99F3A8 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) | #F5E5A3 | 0.111 |
| Deuteranopia (no green cones) | #E7DBAC | 0.109 |
| Tritanopia (no blue cones) | #8CEFDF | 0.077 |
| Achromatopsia (no color) | #DFDFDF | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99F3A8
#99F3A8
oklch(88.9% 0.135 148.5)
- #FFC3FB
#FFC3FB
oklch(88.8% 0.099 328.6)
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 #99F3A8, closest first.
No curated palette has a color within ΔE 0.04 of #99F3A8.
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 0.027
- Light Blue Green #7EFBB3 ΔE 0.027
- Light Mint Green #A6FBB2 ΔE 0.027
- Seafoam Green #7AF9AB ΔE 0.028
- Mint #9FFEB0 ΔE 0.030
- Light Green #90EE90 ΔE 0.032
- Pale Green #98FB98 ΔE 0.034
Use #99F3A8 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.