#99F9C4
Closest named color: Light Seafoam (#A0FEBF). oklch(90.8% 0.118 158.7), rgb(153, 249, 196).
Aa
Black text reads best on this color (16.70:1).
About this color
#99F9C4 is a very light, moderately saturated green. In OKLCH its lightness is 91%, its chroma 0.118 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Seafoam (#A0FEBF), ΔE 0.018 away. Black text reads best on it, at 16.70:1.
| Hue family | Greens |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Light Seafoam (#A0FEBF) |
| Black text | 16.70:1 |
| White text | 1.25:1 |
Values
| HEX | #99F9C4 |
| RGB | rgb(153, 249, 196) |
| HSL | hsl(147, 89%, 79%) |
| OKLCH | oklch(90.8% 0.118 158.7) |
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 #99F9C4 | 1.25:1 | Fails | Lc -14.6 | Not readable |
| Black text on #99F9C4 | 16.70:1 | AAA | Lc 91.0 | Preferred for body text |
| #99F9C4 text on white | 1.25:1 | Fails | Lc 12.6 | Not readable |
| #99F9C4 text on black | 16.70:1 | AAA | Lc -91.3 | 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
#EBFAF0
oklch(97.1% 0.021 156.8)
-
Step 100
100
#D2F3DF
oklch(93.5% 0.044 158.8)
-
Step 200
200 (this color)
#99F9C4
oklch(90.8% 0.118 158.7)
-
Step 300
300
#57DE9C
oklch(80.9% 0.152 158.7)
-
Step 400
400
#00BE7A
oklch(70.7% 0.163 158.9)
-
Step 500
500
#00A368
oklch(63.1% 0.145 158.9)
-
Step 600
600
#008956
oklch(55.5% 0.129 158.6)
-
Step 700
700
#007348
oklch(49% 0.113 158.9)
-
Step 800
800
#005F3A
oklch(42.8% 0.099 158.5)
-
Step 900
900
#004F30
oklch(37.7% 0.087 158.9)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#99F9C4 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) | #F7ECC1 | 0.110 |
| Deuteranopia (no green cones) | #E8E1C7 | 0.107 |
| Tritanopia (no blue cones) | #83F8EA | 0.053 |
| Achromatopsia (no color) | #E5E5E5 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99F9C4
#99F9C4
oklch(90.8% 0.118 158.7)
- #FFD1EF
#FFD1EF
oklch(90.9% 0.064 339.3)
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 #99F9C4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Seafoam #A0FEBF ΔE 0.018
- Light Aquamarine #7BFDC7 ΔE 0.025
- Aquamarine #7FFFD4 ΔE 0.026
- Light Mint Green #A6FBB2 ΔE 0.027
- Light Aqua #8CFFDB ΔE 0.029
- Light Turquoise #7EF4CC ΔE 0.031
- Light Seafoam Green #A7FFB5 ΔE 0.031
- Mint #9FFEB0 ΔE 0.033
Use #99F9C4 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.