#6ECFAA
Closest named color: Medium Aquamarine (#66CDAA). oklch(78.5% 0.107 166.7), rgb(110, 207, 170).
Aa
Black text reads best on this color (11.16:1).
About this color
#6ECFAA is a light, moderately saturated green. In OKLCH its lightness is 78%, its chroma 0.107 and its hue 167°. 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 11.16:1.
| Hue family | Greens |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 11.16:1 |
| White text | 1.88:1 |
Values
| HEX | #6ECFAA |
| RGB | rgb(110, 207, 170) |
| HSL | hsl(157, 50%, 62%) |
| OKLCH | oklch(78.5% 0.107 166.7) |
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 #6ECFAA | 1.88:1 | Fails | Lc -39.7 | Non-text elements, placeholder text |
| Black text on #6ECFAA | 11.16:1 | AAA | Lc 68.4 | Content text, not long reading |
| #6ECFAA text on white | 1.88:1 | Fails | Lc 35.5 | Non-text elements, placeholder text |
| #6ECFAA text on black | 11.16:1 | AAA | Lc -67.1 | 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
#D7F1E5
oklch(93.6% 0.032 166.2)
-
Step 200
200
#B4E6D1
oklch(88.4% 0.059 167.4)
-
Step 300
300 (this color)
#6ECFAA
oklch(78.5% 0.107 166.7)
-
Step 400
400
#00BD8D
oklch(70.8% 0.146 166.7)
-
Step 500
500
#00A278
oklch(63.2% 0.13 166.5)
-
Step 600
600
#008865
oklch(55.6% 0.114 167)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#6ECFAA 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) | #CBC3A8 | 0.108 |
| Deuteranopia (no green cones) | #BCB9AC | 0.103 |
| Tritanopia (no blue cones) | #4ED0C4 | 0.039 |
| Achromatopsia (no color) | #BDBDBD | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6ECFAA
#6ECFAA
oklch(78.5% 0.107 166.7)
- #EB9DC7
#EB9DC7
oklch(78.5% 0.106 346.3)
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 #6ECFAA, 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 0.020
- Pale Teal #82CBB2 ΔE 0.026
- Medium Turquoise #48D1CC ΔE 0.049
- Tiffany Blue #94D2BD ΔE 0.049
- Emerald #06D6A0 ΔE 0.053
- Dark Sea Green #8FBC8F ΔE 0.056
- Turquoise #40E0D0 ΔE 0.058
Use #6ECFAA 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.