#6BCDA4
Closest named color: Medium Aquamarine (#66CDAA). oklch(77.7% 0.111 164.4), rgb(107, 205, 164).
Aa
Black text reads best on this color (10.89:1).
About this color
#6BCDA4 is a medium-light, moderately saturated green. In OKLCH its lightness is 78%, its chroma 0.111 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.009 away. Black text reads best on it, at 10.89:1.
| Hue family | Greens |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.89:1 |
| White text | 1.92:1 |
Values
| HEX | #6BCDA4 |
| RGB | rgb(107, 205, 164) |
| HSL | hsl(155, 49%, 61%) |
| OKLCH | oklch(77.7% 0.111 164.4) |
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 #6BCDA4 | 1.92:1 | Fails | Lc -41.0 | Non-text elements, placeholder text |
| Black text on #6BCDA4 | 10.89:1 | AAA | Lc 67.2 | Content text, not long reading |
| #6BCDA4 text on white | 1.92:1 | Fails | Lc 36.7 | Non-text elements, placeholder text |
| #6BCDA4 text on black | 10.89:1 | AAA | Lc -65.7 | 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
#EDF9F3
oklch(97.2% 0.015 164.7)
-
Step 100
100
#D7F1E4
oklch(93.6% 0.032 164.2)
-
Step 200
200
#B4E7CF
oklch(88.6% 0.062 164.6)
-
Step 300
300 (this color)
#6BCDA4
oklch(77.7% 0.111 164.4)
-
Step 400
400
#00BD88
oklch(70.7% 0.15 164.5)
-
Step 500
500
#00A274
oklch(63.1% 0.134 164.5)
-
Step 600
600
#008861
oklch(55.5% 0.117 164.6)
-
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
#004E36
oklch(37.5% 0.079 164.5)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#6BCDA4 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) | #CAC1A2 | 0.110 |
| Deuteranopia (no green cones) | #BBB6A7 | 0.107 |
| Tritanopia (no blue cones) | #4CCDC1 | 0.043 |
| Achromatopsia (no color) | #BBBBBB | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6BCDA4
#6BCDA4
oklch(77.7% 0.111 164.4)
- #E999C7
#E999C7
oklch(77.6% 0.111 344.6)
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 #6BCDA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.009
- Seafoam Blue #78D1B6 ΔE 0.029
- Pale Teal #82CBB2 ΔE 0.032
- Emerald #06D6A0 ΔE 0.049
- Dark Sea Green #8FBC8F ΔE 0.052
- Medium Turquoise #48D1CC ΔE 0.054
- Tiffany Blue #94D2BD ΔE 0.057
- Soft Green #6FC276 ΔE 0.058
Use #6BCDA4 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.