#99EFD8
Closest named color: Light Turquoise (#7EF4CC). oklch(89.1% 0.09 175.3), rgb(153, 239, 216).
Aa
Black text reads best on this color (15.69:1).
About this color
#99EFD8 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 89%, its chroma 0.090 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Light Turquoise (#7EF4CC), ΔE 0.035 away. Black text reads best on it, at 15.69:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Light Turquoise (#7EF4CC) |
| Black text | 15.69:1 |
| White text | 1.33:1 |
Values
| HEX | #99EFD8 |
| RGB | rgb(153, 239, 216) |
| HSL | hsl(164, 73%, 77%) |
| OKLCH | oklch(89.1% 0.09 175.3) |
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 #99EFD8 | 1.33:1 | Fails | Lc -19.0 | Dividers and decoration only |
| Black text on #99EFD8 | 15.69:1 | AAA | Lc 87.1 | Fine for body text |
| #99EFD8 text on white | 1.33:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #99EFD8 text on black | 15.69:1 | AAA | Lc -87.1 | 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
#EBF9F5
oklch(97.1% 0.016 177.1)
-
Step 100
100
#D4F2E9
oklch(93.7% 0.034 175.6)
-
Step 200
200 (this color)
#99EFD8
oklch(89.1% 0.09 175.3)
-
Step 300
300
#62D9BD
oklch(80.9% 0.115 175.5)
-
Step 400
400
#00BB9C
oklch(70.7% 0.133 175.1)
-
Step 500
500
#00A086
oklch(63% 0.118 175.6)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004E40
oklch(37.9% 0.071 175.3)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#99EFD8 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) | #E9E5D7 | 0.094 |
| Deuteranopia (no green cones) | #DADADA | 0.090 |
| Tritanopia (no blue cones) | #7FF1E8 | 0.028 |
| Achromatopsia (no color) | #DFDFDF | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99EFD8
#99EFD8
oklch(89.1% 0.09 175.3)
- #FFCADD
#FFCADD
oklch(89.1% 0.065 355.1)
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 #99EFD8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Turquoise #7EF4CC ΔE 0.035
- Light Teal #90E4C1 ΔE 0.039
- Pale Turquoise #AFEEEE ΔE 0.041
- Light Aqua #8CFFDB ΔE 0.042
- Robin's Egg Blue #98EFF9 ΔE 0.046
- Aquamarine #7FFFD4 ΔE 0.049
- Robin Egg Blue #8AF1FE ΔE 0.051
- Powder Blue #B0E0E6 ΔE 0.055
Use #99EFD8 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.