#99D3BB
Closest named color: Tiffany Blue (#94D2BD). oklch(82% 0.069 167.2), rgb(153, 211, 187).
Aa
Black text reads best on this color (12.38:1).
About this color
#99D3BB is a light, muted green. In OKLCH its lightness is 82%, its chroma 0.069 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tiffany Blue (#94D2BD), ΔE 0.007 away. Black text reads best on it, at 12.38:1.
| Hue family | Greens |
| Lightness | light (82%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Tiffany Blue (#94D2BD) |
| Black text | 12.38:1 |
| White text | 1.69:1 |
Values
| HEX | #99D3BB |
| RGB | rgb(153, 211, 187) |
| HSL | hsl(155, 40%, 71%) |
| OKLCH | oklch(82% 0.069 167.2) |
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 #99D3BB | 1.69:1 | Fails | Lc -34.0 | Non-text elements, placeholder text |
| Black text on #99D3BB | 12.38:1 | AAA | Lc 73.7 | Content text, not long reading |
| #99D3BB text on white | 1.69:1 | Fails | Lc 30.2 | Non-text elements, placeholder text |
| #99D3BB text on black | 12.38:1 | AAA | Lc -72.6 | Content text, not long reading |
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 300.
-
Step 50
50
#F0F7F4
oklch(97% 0.008 168.8)
-
Step 100
100
#DEEEE7
oklch(93.5% 0.019 167.9)
-
Step 200
200
#C2E2D4
oklch(88.6% 0.039 167.2)
-
Step 300
300 (this color)
#99D3BB
oklch(82% 0.069 167.2)
-
Step 400
400
#50B692
oklch(70.6% 0.11 167.2)
-
Step 500
500
#00A279
oklch(63.2% 0.13 167)
-
Step 600
600
#008865
oklch(55.6% 0.114 167)
-
Step 700
700
#007255
oklch(49% 0.1 167.6)
-
Step 800
800
#005E45
oklch(42.8% 0.088 167.1)
-
Step 900
900
#004E39
oklch(37.6% 0.077 167.4)
-
Step 950
950
#002F21
oklch(27.1% 0.055 167.3)
#99D3BB 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) | #D0CBBA | 0.069 |
| Deuteranopia (no green cones) | #C6C4BC | 0.066 |
| Tritanopia (no blue cones) | #8CD3CC | 0.026 |
| Achromatopsia (no color) | #C7C7C7 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99D3BB
#99D3BB
oklch(82% 0.069 167.2)
- #E7B3CD
#E7B3CD
oklch(82.1% 0.069 347.2)
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 #99D3BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tiffany Blue #94D2BD ΔE 0.007
- Seafoam Blue #78D1B6 ΔE 0.036
- Pale Teal #82CBB2 ΔE 0.036
- Light Teal #90E4C1 ΔE 0.045
- Ash Gray #BFC8AD ΔE 0.050
- Celeste #A8DADC ΔE 0.050
- Medium Aquamarine #66CDAA ΔE 0.060
- Hospital Green #9BE5AA ΔE 0.062
Use #99D3BB 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.