#66DA93
Closest named color: Aqua Green (#12E193). oklch(80.3% 0.147 154.4), rgb(102, 218, 147).
Aa
Black text reads best on this color (12.01:1).
About this color
#66DA93 is a light, vivid green. In OKLCH its lightness is 80%, its chroma 0.147 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Green (#12E193), ΔE 0.038 away. Black text reads best on it, at 12.01:1.
| Hue family | Greens |
| Lightness | light (80%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Aqua Green (#12E193) |
| Black text | 12.01:1 |
| White text | 1.74:1 |
Values
| HEX | #66DA93 |
| RGB | rgb(102, 218, 147) |
| HSL | hsl(143, 61%, 63%) |
| OKLCH | oklch(80.3% 0.147 154.4) |
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 #66DA93 | 1.74:1 | Fails | Lc -35.5 | Non-text elements, placeholder text |
| Black text on #66DA93 | 12.01:1 | AAA | Lc 72.2 | Content text, not long reading |
| #66DA93 text on white | 1.74:1 | Fails | Lc 31.6 | Non-text elements, placeholder text |
| #66DA93 text on black | 12.01:1 | AAA | Lc -71.1 | 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
#ECFAF0
oklch(97.2% 0.02 154.9)
-
Step 100
100
#D5F3DD
oklch(93.6% 0.043 153.7)
-
Step 200
200
#AFEAC1
oklch(88.6% 0.082 154.1)
-
Step 300
300 (this color)
#66DA93
oklch(80.3% 0.147 154.4)
-
Step 400
400
#00BF6C
oklch(70.6% 0.176 154.5)
-
Step 500
500
#00A45C
oklch(63.1% 0.158 154.5)
-
Step 600
600
#008A4C
oklch(55.6% 0.139 154.3)
-
Step 700
700
#00743F
oklch(49.1% 0.123 154.3)
-
Step 800
800
#005F33
oklch(42.6% 0.106 154.6)
-
Step 900
900
#005029
oklch(37.8% 0.096 153.9)
-
Step 950
950
#003017
oklch(27.1% 0.068 154.6)
#66DA93 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) | #DACB8F | 0.131 |
| Deuteranopia (no green cones) | #C9BF97 | 0.127 |
| Tritanopia (no blue cones) | #46D8C7 | 0.073 |
| Achromatopsia (no color) | #C4C4C4 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66DA93
#66DA93
oklch(80.3% 0.147 154.4)
- #F899E5
#F899E5
oklch(80.4% 0.147 334.5)
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 #66DA93, closest first.
No curated palette has a color within ΔE 0.04 of #66DA93.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Green #12E193 ΔE 0.038
- Emerald #06D6A0 ΔE 0.043
- Weird Green #3AE57F ΔE 0.052
- Aqua Marine #2EE8BB ΔE 0.054
- Medium Aquamarine #66CDAA ΔE 0.056
- Seaweed #18D17B ΔE 0.057
- Seafoam Blue #78D1B6 ΔE 0.064
- Soft Green #6FC276 ΔE 0.065
Use #66DA93 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.