#99FBB9
Closest named color: Light Seafoam (#A0FEBF). oklch(91% 0.13 153.6), rgb(153, 251, 185).
Aa
Black text reads best on this color (16.85:1).
About this color
#99FBB9 is a very light, moderately saturated green. In OKLCH its lightness is 91%, its chroma 0.130 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 0.013 away. Black text reads best on it, at 16.85:1.
| Hue family | Greens |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Light Seafoam (#A0FEBF) |
| Black text | 16.85:1 |
| White text | 1.24:1 |
Values
| HEX | #99FBB9 |
| RGB | rgb(153, 251, 185) |
| HSL | hsl(140, 92%, 79%) |
| OKLCH | oklch(91% 0.13 153.6) |
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 #99FBB9 | 1.24:1 | Fails | Lc -14.0 | Not readable |
| Black text on #99FBB9 | 16.85:1 | AAA | Lc 91.5 | Preferred for body text |
| #99FBB9 text on white | 1.24:1 | Fails | Lc 12.0 | Not readable |
| #99FBB9 text on black | 16.85:1 | AAA | Lc -91.9 | 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 200.
-
Step 50
50
#EBFAEF
oklch(97.1% 0.021 154.1)
-
Step 100
100
#D2F4DB
oklch(93.6% 0.049 153.5)
-
Step 200
200 (this color)
#99FBB9
oklch(91% 0.13 153.6)
-
Step 300
300
#56DF8C
oklch(80.8% 0.168 153.5)
-
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
#00743D
oklch(49% 0.125 153.5)
-
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)
#99FBB9 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) | #FBEDB5 | 0.115 |
| Deuteranopia (no green cones) | #ECE2BD | 0.113 |
| Tritanopia (no blue cones) | #86F9E9 | 0.066 |
| Achromatopsia (no color) | #E6E6E6 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99FBB9
#99FBB9
oklch(91% 0.13 153.6)
- #FFD1F5
#FFD1F5
oklch(91.1% 0.069 333.8)
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 #99FBB9, closest first.
No curated palette has a color within ΔE 0.04 of #99FBB9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Seafoam #A0FEBF ΔE 0.013
- Light Mint Green #A6FBB2 ΔE 0.014
- Mint #9FFEB0 ΔE 0.017
- Light Seafoam Green #A7FFB5 ΔE 0.019
- Foam Green #90FDA9 ΔE 0.025
- Light Blue Green #7EFBB3 ΔE 0.026
- Light Aquamarine #7BFDC7 ΔE 0.026
- Seafoam #80F9AD ΔE 0.029
Use #99FBB9 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.