#99CBB3
Closest named color: Tiffany Blue (#94D2BD). oklch(80% 0.062 163.9), rgb(153, 203, 179).
Aa
Black text reads best on this color (11.54:1).
About this color
#99CBB3 is a light, muted green. In OKLCH its lightness is 80%, its chroma 0.062 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tiffany Blue (#94D2BD), ΔE 0.019 away. Black text reads best on it, at 11.54:1.
| Hue family | Greens |
| Lightness | light (80%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Tiffany Blue (#94D2BD) |
| Black text | 11.54:1 |
| White text | 1.81:1 |
Values
| HEX | #99CBB3 |
| RGB | rgb(153, 203, 179) |
| HSL | hsl(151, 32%, 70%) |
| OKLCH | oklch(80% 0.062 163.9) |
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 #99CBB3 | 1.81:1 | Fails | Lc -38.0 | Non-text elements, placeholder text |
| Black text on #99CBB3 | 11.54:1 | AAA | Lc 70.0 | Content text, not long reading |
| #99CBB3 text on white | 1.81:1 | Fails | Lc 33.9 | Non-text elements, placeholder text |
| #99CBB3 text on black | 11.54:1 | AAA | Lc -68.7 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E0EEE7
oklch(93.7% 0.018 164.6)
-
Step 200
200
#C5E1D3
oklch(88.5% 0.035 164.1)
-
Step 300
300 (this color)
#99CBB3
oklch(80% 0.062 163.9)
-
Step 400
400
#5FB490
oklch(70.6% 0.099 164.3)
-
Step 500
500
#1DA174
oklch(63.1% 0.128 163.8)
-
Step 600
600
#008860
oklch(55.5% 0.118 164)
-
Step 700
700
#007350
oklch(49.2% 0.105 163.6)
-
Step 800
800
#005E41
oklch(42.7% 0.091 163.9)
-
Step 900
900
#004F36
oklch(37.9% 0.081 163.8)
-
Step 950
950
#052E1F
oklch(26.9% 0.053 163.8)
#99CBB3 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) | #C9C4B2 | 0.062 |
| Deuteranopia (no green cones) | #C0BEB4 | 0.058 |
| Tritanopia (no blue cones) | #8FCBC4 | 0.025 |
| Achromatopsia (no color) | #C0C0C0 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99CBB3
#99CBB3
oklch(80% 0.062 163.9)
- #DCAEC8
#DCAEC8
oklch(80% 0.063 343.7)
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 #99CBB3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tiffany Blue #94D2BD ΔE 0.019
- Pale Teal #82CBB2 ΔE 0.025
- Seafoam Blue #78D1B6 ΔE 0.035
- Ash Gray #BFC8AD ΔE 0.046
- Medium Aquamarine #66CDAA ΔE 0.053
- Dark Sea Green #8FBC8F ΔE 0.057
- Silver #C0C0C0 ΔE 0.063
- Light Teal #90E4C1 ΔE 0.065
Use #99CBB3 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.