#91CAC4
Closest named color: Tiffany Blue (#94D2BD). oklch(79.8% 0.059 187.9), rgb(145, 202, 196).
Aa
Black text reads best on this color (11.44:1).
About this color
#91CAC4 is a light, muted teal or cyan. In OKLCH its lightness is 80%, its chroma 0.059 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Tiffany Blue (#94D2BD), ΔE 0.028 away. Black text reads best on it, at 11.44:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Tiffany Blue (#94D2BD) |
| Black text | 11.44:1 |
| White text | 1.83:1 |
Values
| HEX | #91CAC4 |
| RGB | rgb(145, 202, 196) |
| HSL | hsl(174, 35%, 68%) |
| OKLCH | oklch(79.8% 0.059 187.9) |
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 #91CAC4 | 1.83:1 | Fails | Lc -38.5 | Non-text elements, placeholder text |
| Black text on #91CAC4 | 11.44:1 | AAA | Lc 69.5 | Content text, not long reading |
| #91CAC4 text on white | 1.83:1 | Fails | Lc 34.3 | Non-text elements, placeholder text |
| #91CAC4 text on black | 11.44:1 | AAA | Lc -68.3 | 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
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DEEEEC
oklch(93.7% 0.017 187.9)
-
Step 200
200
#C2E1DD
oklch(88.6% 0.033 187.1)
-
Step 300
300 (this color)
#91CAC4
oklch(79.8% 0.059 187.9)
-
Step 400
400
#4EB4AB
oklch(70.7% 0.096 187.4)
-
Step 500
500
#009E96
oklch(63% 0.109 188.5)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D48
oklch(37.8% 0.066 187.3)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#91CAC4 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) | #C4C4C4 | 0.063 |
| Deuteranopia (no green cones) | #B9BCC5 | 0.059 |
| Tritanopia (no blue cones) | #7FCDC8 | 0.018 |
| Achromatopsia (no color) | #BFBFBF | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91CAC4
#91CAC4
oklch(79.8% 0.059 187.9)
- #E0AEB6
#E0AEB6
oklch(79.8% 0.059 7.8)
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 #91CAC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tiffany Blue #94D2BD ΔE 0.028
- Pale Teal #82CBB2 ΔE 0.033
- Seafoam Blue #78D1B6 ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.046
- Light Grey Blue #9DBCD4 ΔE 0.053
- Sky Blue #87CEEB ΔE 0.053
- Cloudy Blue #ACC2D9 ΔE 0.054
- Celeste #A8DADC ΔE 0.058
Use #91CAC4 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.