#6DDAA4
Closest named color: Medium Aquamarine (#66CDAA). oklch(80.9% 0.128 160), rgb(109, 218, 164).
Aa
Black text reads best on this color (12.21:1).
About this color
#6DDAA4 is a light, moderately saturated green. In OKLCH its lightness is 81%, its chroma 0.128 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.041 away. Black text reads best on it, at 12.21:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 12.21:1 |
| White text | 1.71:1 |
Values
| HEX | #6DDAA4 |
| RGB | rgb(109, 218, 164) |
| HSL | hsl(150, 60%, 64%) |
| OKLCH | oklch(80.9% 0.128 160) |
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 #6DDAA4 | 1.71:1 | Fails | Lc -34.6 | Non-text elements, placeholder text |
| Black text on #6DDAA4 | 12.21:1 | AAA | Lc 73.1 | Content text, not long reading |
| #6DDAA4 text on white | 1.71:1 | Fails | Lc 30.8 | Non-text elements, placeholder text |
| #6DDAA4 text on black | 12.21:1 | AAA | Lc -72.0 | 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 300.
-
Step 50
50
#ECF9F1
oklch(97% 0.017 159.1)
-
Step 100
100
#D6F2E1
oklch(93.6% 0.037 159)
-
Step 200
200
#B1E8C9
oklch(88.5% 0.071 159.8)
-
Step 300
300 (this color)
#6DDAA4
oklch(80.9% 0.128 160)
-
Step 400
400
#00BE7D
oklch(70.7% 0.16 159.9)
-
Step 500
500
#00A36B
oklch(63.1% 0.143 160.1)
-
Step 600
600
#008959
oklch(55.6% 0.126 160)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#6DDAA4 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) | #D8CCA1 | 0.122 |
| Deuteranopia (no green cones) | #C8C1A7 | 0.118 |
| Tritanopia (no blue cones) | #4CD9CB | 0.056 |
| Achromatopsia (no color) | #C5C5C5 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6DDAA4
#6DDAA4
oklch(80.9% 0.128 160)
- #F89FDB
#F89FDB
oklch(80.9% 0.129 339.9)
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 #6DDAA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.041
- Seafoam Blue #78D1B6 ΔE 0.042
- Aqua Marine #2EE8BB ΔE 0.045
- Emerald #06D6A0 ΔE 0.048
- Aqua Green #12E193 ΔE 0.054
- Pale Teal #82CBB2 ΔE 0.055
- Hospital Green #9BE5AA ΔE 0.056
- Light Teal #90E4C1 ΔE 0.057
Use #6DDAA4 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.