#66DB85
Closest named color: Aqua Green (#12E193). oklch(80.2% 0.161 150), rgb(102, 219, 133).
Aa
Black text reads best on this color (12.03:1).
About this color
#66DB85 is a light, vivid green. In OKLCH its lightness is 80%, its chroma 0.161 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Green (#12E193), ΔE 0.034 away. Black text reads best on it, at 12.03:1.
| Hue family | Greens |
| Lightness | light (80%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Aqua Green (#12E193) |
| Black text | 12.03:1 |
| White text | 1.74:1 |
Values
| HEX | #66DB85 |
| RGB | rgb(102, 219, 133) |
| HSL | hsl(136, 62%, 63%) |
| OKLCH | oklch(80.2% 0.161 150) |
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 #66DB85 | 1.74:1 | Fails | Lc -35.4 | Non-text elements, placeholder text |
| Black text on #66DB85 | 12.03:1 | AAA | Lc 72.4 | Content text, not long reading |
| #66DB85 text on white | 1.74:1 | Fails | Lc 31.5 | Non-text elements, placeholder text |
| #66DB85 text on black | 12.03:1 | AAA | Lc -71.2 | 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
#ECFAEE
oklch(97.1% 0.022 149.7)
-
Step 100
100
#D5F3DA
oklch(93.6% 0.046 150.1)
-
Step 200
200
#AFEABA
oklch(88.4% 0.089 149.9)
-
Step 300
300 (this color)
#66DB85
oklch(80.2% 0.161 150)
-
Step 400
400
#00C059
oklch(70.6% 0.194 150)
-
Step 500
500
#00A54B
oklch(63.1% 0.174 149.9)
-
Step 600
600
#008B3E
oklch(55.6% 0.154 149.9)
-
Step 700
700
#007533
oklch(49.1% 0.136 149.9)
-
Step 800
800
#006029
oklch(42.7% 0.118 150)
-
Step 900
900
#005021
oklch(37.7% 0.104 150)
-
Step 950
950
#003011
oklch(27% 0.074 150)
#66DB85 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) | #DCCB7F | 0.134 |
| Deuteranopia (no green cones) | #CCC08A | 0.131 |
| Tritanopia (no blue cones) | #4BD8C6 | 0.089 |
| Achromatopsia (no color) | #C4C4C4 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66DB85
#66DB85
oklch(80.2% 0.161 150)
- #F896F0
#F896F0
oklch(80.3% 0.161 329.9)
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 #66DB85, closest first.
No curated palette has a color within ΔE 0.04 of #66DB85.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Green #12E193 ΔE 0.034
- Weird Green #3AE57F ΔE 0.038
- Seaweed #18D17B ΔE 0.052
- Emerald #06D6A0 ΔE 0.053
- Fresh Green #69D84F ΔE 0.054
- Aqua Marine #2EE8BB ΔE 0.066
- Soft Green #6FC276 ΔE 0.067
- Light Green #90EE90 ΔE 0.068
Use #66DB85 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.