#99BC91
Closest named color: Dark Sea Green (#8FBC8F). oklch(75.8% 0.071 139.8), rgb(153, 188, 145).
Aa
Black text reads best on this color (9.95:1).
About this color
#99BC91 is a medium-light, moderately saturated green. In OKLCH its lightness is 76%, its chroma 0.071 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sea Green (#8FBC8F), ΔE 0.013 away. Black text reads best on it, at 9.95:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dark Sea Green (#8FBC8F) |
| Black text | 9.95:1 |
| White text | 2.10:1 |
Values
| HEX | #99BC91 |
| RGB | rgb(153, 188, 145) |
| HSL | hsl(109, 24%, 65%) |
| OKLCH | oklch(75.8% 0.071 139.8) |
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 #99BC91 | 2.10:1 | Fails | Lc -45.9 | Large or bold text, headings |
| Black text on #99BC91 | 9.95:1 | AAA | Lc 62.7 | Content text, not long reading |
| #99BC91 text on white | 2.10:1 | Fails | Lc 41.3 | Non-text elements, placeholder text |
| #99BC91 text on black | 9.95:1 | AAA | Lc -61.0 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE4
oklch(93.6% 0.013 141.8)
-
Step 200
200
#D1DDCE
oklch(88.4% 0.024 139.4)
-
Step 300
300
#B2C8AD
oklch(80.9% 0.044 139.9)
-
Step 400
400 (this color)
#99BC91
oklch(75.8% 0.071 139.8)
-
Step 500
500
#6C9762
oklch(63.1% 0.09 139.8)
-
Step 600
600
#538148
oklch(55.5% 0.099 139.7)
-
Step 700
700
#436D39
oklch(49% 0.092 139.7)
-
Step 800
800
#385930
oklch(42.7% 0.076 139.6)
-
Step 900
900
#30492B
oklch(37.6% 0.058 140.3)
-
Step 950
950
#1C2B19
oklch(27% 0.038 140.3)
#99BC91 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) | #BFB58E | 0.052 |
| Deuteranopia (no green cones) | #B9B193 | 0.051 |
| Tritanopia (no blue cones) | #97B9B0 | 0.047 |
| Achromatopsia (no color) | #B2B2B2 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99BC91
#99BC91
oklch(75.8% 0.071 139.8)
- #C5A2CD
#C5A2CD
oklch(75.8% 0.072 320)
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 #99BC91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sea Green #8FBC8F ΔE 0.013
- Muted Teal #90B494 ΔE 0.028
- Lichen #8FB67B ΔE 0.033
- Sage Green #88B378 ΔE 0.044
- Tan Green #A9BE70 ΔE 0.045
- Pale Teal #82CBB2 ΔE 0.051
- Light Olive #ACBF69 ΔE 0.055
- Sage #87AE73 ΔE 0.056
Use #99BC91 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.