#91C09F
Closest named color: Dark Sea Green (#8FBC8F). oklch(76.5% 0.068 153.9), rgb(145, 192, 159).
Aa
Black text reads best on this color (10.24:1).
About this color
#91C09F is a medium-light, muted green. In OKLCH its lightness is 77%, its chroma 0.068 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sea Green (#8FBC8F), ΔE 0.022 away. Black text reads best on it, at 10.24:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Dark Sea Green (#8FBC8F) |
| Black text | 10.24:1 |
| White text | 2.04:1 |
Values
| HEX | #91C09F |
| RGB | rgb(145, 192, 159) |
| HSL | hsl(138, 27%, 66%) |
| OKLCH | oklch(76.5% 0.068 153.9) |
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 #91C09F | 2.04:1 | Fails | Lc -44.4 | Non-text elements, placeholder text |
| Black text on #91C09F | 10.24:1 | AAA | Lc 64.0 | Content text, not long reading |
| #91C09F text on white | 2.04:1 | Fails | Lc 39.9 | Non-text elements, placeholder text |
| #91C09F text on black | 10.24:1 | AAA | Lc -62.4 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E0EEE4
oklch(93.6% 0.02 154.9)
-
Step 200
200
#C7E1CE
oklch(88.5% 0.038 153.8)
-
Step 300
300 (this color)
#91C09F
oklch(76.5% 0.068 153.9)
-
Step 400
400
#66B581
oklch(70.8% 0.11 153.8)
-
Step 500
500
#2FA161
oklch(63% 0.139 154.1)
-
Step 600
600
#008A4B
oklch(55.6% 0.14 154)
-
Step 700
700
#00743E
oklch(49% 0.124 153.9)
-
Step 800
800
#005F32
oklch(42.6% 0.107 154.1)
-
Step 900
900
#074F2A
oklch(37.7% 0.091 154)
-
Step 950
950
#092E19
oklch(26.9% 0.057 154.5)
#91C09F 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) | #C0B89D | 0.062 |
| Deuteranopia (no green cones) | #B8B3A1 | 0.060 |
| Tritanopia (no blue cones) | #8ABFB7 | 0.035 |
| Achromatopsia (no color) | #B5B5B5 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C09F
#91C09F
oklch(76.5% 0.068 153.9)
- #CEA3C5
#CEA3C5
oklch(76.5% 0.068 333.6)
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 #91C09F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sea Green #8FBC8F ΔE 0.022
- Muted Teal #90B494 ΔE 0.033
- Pale Teal #82CBB2 ΔE 0.033
- Lichen #8FB67B ΔE 0.048
- Medium Aquamarine #66CDAA ΔE 0.048
- Seafoam Blue #78D1B6 ΔE 0.049
- Tiffany Blue #94D2BD ΔE 0.055
- Sage Green #88B378 ΔE 0.057
Use #91C09F 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.