#91C9BF
Closest named color: Tiffany Blue (#94D2BD). oklch(79.4% 0.06 182.5), rgb(145, 201, 191).
Aa
Black text reads best on this color (11.31:1).
About this color
#91C9BF is a light, muted teal or cyan. In OKLCH its lightness is 79%, its chroma 0.060 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Tiffany Blue (#94D2BD), ΔE 0.027 away. Black text reads best on it, at 11.31:1.
| Hue family | Teals and cyans |
| Lightness | light (79%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Tiffany Blue (#94D2BD) |
| Black text | 11.31:1 |
| White text | 1.85:1 |
Values
| HEX | #91C9BF |
| RGB | rgb(145, 201, 191) |
| HSL | hsl(169, 34%, 68%) |
| OKLCH | oklch(79.4% 0.06 182.5) |
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 #91C9BF | 1.85:1 | Fails | Lc -39.1 | Non-text elements, placeholder text |
| Black text on #91C9BF | 11.31:1 | AAA | Lc 68.9 | Content text, not long reading |
| #91C9BF text on white | 1.85:1 | Fails | Lc 35.0 | Non-text elements, placeholder text |
| #91C9BF text on black | 11.31:1 | AAA | Lc -67.6 | 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
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DEEEEB
oklch(93.6% 0.017 183.5)
-
Step 200
200
#C2E1DB
oklch(88.5% 0.034 182.6)
-
Step 300
300 (this color)
#91C9BF
oklch(79.4% 0.06 182.5)
-
Step 400
400
#51B4A5
oklch(70.7% 0.096 182.1)
-
Step 500
500
#009F8F
oklch(63.1% 0.113 182.5)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#91C9BF 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) | #C4C3BF | 0.064 |
| Deuteranopia (no green cones) | #B9BBC0 | 0.060 |
| Tritanopia (no blue cones) | #80CBC6 | 0.018 |
| Achromatopsia (no color) | #BEBEBE | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C9BF
#91C9BF
oklch(79.4% 0.06 182.5)
- #DEACB8
#DEACB8
oklch(79.3% 0.06 2.6)
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 #91C9BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tiffany Blue #94D2BD ΔE 0.027
- Pale Teal #82CBB2 ΔE 0.028
- Seafoam Blue #78D1B6 ΔE 0.038
- Light Cornflower Blue #98C1D9 ΔE 0.051
- Light Grey Blue #9DBCD4 ΔE 0.056
- Medium Aquamarine #66CDAA ΔE 0.057
- Ash Gray #BFC8AD ΔE 0.058
- Medium Turquoise #48D1CC ΔE 0.059
Use #91C9BF 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.