#99EFB8
Closest named color: Hospital Green (#9BE5AA). oklch(88.3% 0.113 155.3), rgb(153, 239, 184).
Aa
Black text reads best on this color (15.39:1).
About this color
#99EFB8 is a light, moderately saturated green. In OKLCH its lightness is 88%, its chroma 0.113 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hospital Green (#9BE5AA), ΔE 0.027 away. Black text reads best on it, at 15.39:1.
| Hue family | Greens |
| Lightness | light (88%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Hospital Green (#9BE5AA) |
| Black text | 15.39:1 |
| White text | 1.36:1 |
Values
| HEX | #99EFB8 |
| RGB | rgb(153, 239, 184) |
| HSL | hsl(142, 73%, 77%) |
| OKLCH | oklch(88.3% 0.113 155.3) |
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 #99EFB8 | 1.36:1 | Fails | Lc -20.3 | Dividers and decoration only |
| Black text on #99EFB8 | 15.39:1 | AAA | Lc 86.0 | Fine for body text |
| #99EFB8 text on white | 1.36:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #99EFB8 text on black | 15.39:1 | AAA | Lc -85.9 | 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
#ECFAF0
oklch(97.2% 0.02 154.9)
-
Step 100
100
#D5F3DE
oklch(93.7% 0.042 155)
-
Step 200
200 (this color)
#99EFB8
oklch(88.3% 0.113 155.3)
-
Step 300
300
#67DC97
oklch(80.9% 0.146 155.3)
-
Step 400
400
#00BF6F
oklch(70.7% 0.174 155.3)
-
Step 500
500
#00A45E
oklch(63.1% 0.156 155.1)
-
Step 600
600
#008A4E
oklch(55.6% 0.137 155)
-
Step 700
700
#007441
oklch(49.1% 0.121 155.2)
-
Step 800
800
#005F34
oklch(42.6% 0.105 155.1)
-
Step 900
900
#004F2B
oklch(37.6% 0.092 155.5)
-
Step 950
950
#003017
oklch(27.1% 0.068 154.6)
#99EFB8 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) | #EEE2B5 | 0.103 |
| Deuteranopia (no green cones) | #E1D9BB | 0.100 |
| Tritanopia (no blue cones) | #88EDE0 | 0.056 |
| Achromatopsia (no color) | #DDDDDD | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99EFB8
#99EFB8
oklch(88.3% 0.113 155.3)
- #FFC2F0
#FFC2F0
oklch(88.3% 0.091 335.3)
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 #99EFB8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hospital Green #9BE5AA ΔE 0.027
- Light Turquoise #7EF4CC ΔE 0.030
- Light Sage #BCECAC ΔE 0.037
- Light Teal #90E4C1 ΔE 0.038
- Light Mint Green #A6FBB2 ΔE 0.039
- Light Aquamarine #7BFDC7 ΔE 0.040
- Seafoam #80F9AD ΔE 0.041
- Light Blue Green #7EFBB3 ΔE 0.041
Use #99EFB8 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.