#91BC99
Closest named color: Dark Sea Green (#8FBC8F). oklch(75.5% 0.068 150.1), rgb(145, 188, 153).
Aa
Black text reads best on this color (9.85:1).
About this color
#91BC99 is a medium-light, muted green. In OKLCH its lightness is 75%, its chroma 0.068 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sea Green (#8FBC8F), ΔE 0.014 away. Black text reads best on it, at 9.85:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Dark Sea Green (#8FBC8F) |
| Black text | 9.85:1 |
| White text | 2.13:1 |
Values
| HEX | #91BC99 |
| RGB | rgb(145, 188, 153) |
| HSL | hsl(131, 24%, 65%) |
| OKLCH | oklch(75.5% 0.068 150.1) |
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 #91BC99 | 2.13:1 | Fails | Lc -46.4 | Large or bold text, headings |
| Black text on #91BC99 | 9.85:1 | AAA | Lc 62.2 | Content text, not long reading |
| #91BC99 text on white | 2.13:1 | Fails | Lc 41.8 | Non-text elements, placeholder text |
| #91BC99 text on black | 9.85:1 | AAA | Lc -60.5 | 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 400.
-
Step 50
50
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CFDED1
oklch(88.6% 0.024 149.3)
-
Step 300
300
#AEC9B3
oklch(81% 0.042 150.7)
-
Step 400
400 (this color)
#91BC99
oklch(75.5% 0.068 150.1)
-
Step 500
500
#62986E
oklch(63% 0.085 150.4)
-
Step 600
600
#478355
oklch(55.6% 0.095 149.9)
-
Step 700
700
#386F46
oklch(49.2% 0.088 150.3)
-
Step 800
800
#2F5A39
oklch(42.7% 0.073 149.9)
-
Step 900
900
#2A4A31
oklch(37.6% 0.057 149.9)
-
Step 950
950
#192B1D
oklch(26.9% 0.035 150.5)
#91BC99 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) | #BDB597 | 0.058 |
| Deuteranopia (no green cones) | #B5B09B | 0.056 |
| Tritanopia (no blue cones) | #8BBAB2 | 0.038 |
| Achromatopsia (no color) | #B2B2B2 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BC99
#91BC99
oklch(75.5% 0.068 150.1)
- #C9A0C4
#C9A0C4
oklch(75.4% 0.068 330.3)
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 #91BC99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sea Green #8FBC8F ΔE 0.014
- Muted Teal #90B494 ΔE 0.022
- Lichen #8FB67B ΔE 0.039
- Pale Teal #82CBB2 ΔE 0.044
- Sage Green #88B378 ΔE 0.047
- Medium Aquamarine #66CDAA ΔE 0.055
- Sage #87AE73 ΔE 0.057
- Tan Green #A9BE70 ΔE 0.058
Use #91BC99 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.