#66DF96
Closest named color: Aqua Green (#12E193). oklch(81.6% 0.151 154.6), rgb(102, 223, 150).
Aa
Black text reads best on this color (12.56:1).
About this color
#66DF96 is a light, vivid green. In OKLCH its lightness is 82%, its chroma 0.151 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Green (#12E193), ΔE 0.036 away. Black text reads best on it, at 12.56:1.
| Hue family | Greens |
| Lightness | light (82%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Aqua Green (#12E193) |
| Black text | 12.56:1 |
| White text | 1.67:1 |
Values
| HEX | #66DF96 |
| RGB | rgb(102, 223, 150) |
| HSL | hsl(144, 65%, 64%) |
| OKLCH | oklch(81.6% 0.151 154.6) |
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 #66DF96 | 1.67:1 | Fails | Lc -32.9 | Non-text elements, placeholder text |
| Black text on #66DF96 | 12.56:1 | AAA | Lc 74.6 | Content text, not long reading |
| #66DF96 text on white | 1.67:1 | Fails | Lc 29.2 | Dividers and decoration only |
| #66DF96 text on black | 12.56:1 | AAA | Lc -73.6 | 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
#ECFAEF
oklch(97.2% 0.021 152.2)
-
Step 100
100
#D4F3DD
oklch(93.6% 0.044 154.6)
-
Step 200
200
#ADEAC1
oklch(88.5% 0.084 154.9)
-
Step 300
300 (this color)
#66DF96
oklch(81.6% 0.151 154.6)
-
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
#008A4D
oklch(55.6% 0.138 154.7)
-
Step 700
700
#007440
oklch(49.1% 0.122 154.8)
-
Step 800
800
#005F33
oklch(42.6% 0.106 154.6)
-
Step 900
900
#004F2A
oklch(37.6% 0.093 154.9)
-
Step 950
950
#003017
oklch(27.1% 0.068 154.6)
#66DF96 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) | #DFCF91 | 0.135 |
| Deuteranopia (no green cones) | #CEC39B | 0.133 |
| Tritanopia (no blue cones) | #43DDCC | 0.075 |
| Achromatopsia (no color) | #C8C8C8 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66DF96
#66DF96
oklch(81.6% 0.151 154.6)
- #FE9BEA
#FE9BEA
oklch(81.5% 0.152 334.7)
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 #66DF96, closest first.
No curated palette has a color within ΔE 0.04 of #66DF96.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Green #12E193 ΔE 0.036
- Weird Green #3AE57F ΔE 0.046
- Aqua Marine #2EE8BB ΔE 0.047
- Emerald #06D6A0 ΔE 0.051
- Light Green #90EE90 ΔE 0.060
- Hospital Green #9BE5AA ΔE 0.060
- Medium Aquamarine #66CDAA ΔE 0.065
- Seaweed #18D17B ΔE 0.066
Use #66DF96 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.