#6BBB99
Closest named color: Dark Sea Green (#8FBC8F). oklch(73.1% 0.094 164.8), rgb(107, 187, 153).
Aa
Black text reads best on this color (9.19:1).
About this color
#6BBB99 is a medium-light, moderately saturated green. In OKLCH its lightness is 73%, its chroma 0.094 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sea Green (#8FBC8F), ΔE 0.039 away. Black text reads best on it, at 9.19:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Dark Sea Green (#8FBC8F) |
| Black text | 9.19:1 |
| White text | 2.28:1 |
Values
| HEX | #6BBB99 |
| RGB | rgb(107, 187, 153) |
| HSL | hsl(155, 37%, 58%) |
| OKLCH | oklch(73.1% 0.094 164.8) |
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 #6BBB99 | 2.28:1 | Fails | Lc -49.8 | Large or bold text, headings |
| Black text on #6BBB99 | 9.19:1 | AAA | Lc 59.1 | Large or bold text, headings |
| #6BBB99 text on white | 2.28:1 | Fails | Lc 44.9 | Non-text elements, placeholder text |
| #6BBB99 text on black | 9.19:1 | AAA | Lc -57.2 | Large or bold text, headings |
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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E0EEE7
oklch(93.7% 0.018 164.6)
-
Step 200
200
#C6E0D4
oklch(88.4% 0.032 166.2)
-
Step 300
300
#9ECDB7
oklch(80.9% 0.058 164.7)
-
Step 400
400 (this color)
#6BBB99
oklch(73.1% 0.094 164.8)
-
Step 500
500
#2AA077
oklch(63.1% 0.12 164.9)
-
Step 600
600
#008862
oklch(55.5% 0.117 165.2)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800
#005E42
oklch(42.7% 0.09 164.7)
-
Step 900
900
#024E37
oklch(37.6% 0.078 165.2)
-
Step 950
950
#082E20
oklch(27% 0.05 164.4)
#6BBB99 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) | #B8B197 | 0.093 |
| Deuteranopia (no green cones) | #ABA89B | 0.089 |
| Tritanopia (no blue cones) | #54BBB1 | 0.037 |
| Achromatopsia (no color) | #ABABAB | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BBB99
#6BBB99
oklch(73.1% 0.094 164.8)
- #D390B6
#D390B6
oklch(73.1% 0.094 344.7)
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 #6BBB99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sea Green #8FBC8F ΔE 0.039
- Muted Teal #90B494 ΔE 0.041
- Greeny Blue #42B395 ΔE 0.043
- Sage Green #88B378 ΔE 0.046
- Faded Green #7BB274 ΔE 0.047
- Lichen #8FB67B ΔE 0.047
- Medium Aquamarine #66CDAA ΔE 0.049
- Topaz #13BBAF ΔE 0.052
Use #6BBB99 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.