#66C96A
Closest named color: Soft Green (#6FC276). oklch(75.3% 0.162 144.5), rgb(102, 201, 106).
Aa
Black text reads best on this color (10.12:1).
About this color
#66C96A is a medium-light, vivid green. In OKLCH its lightness is 75%, its chroma 0.162 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.029 away. Black text reads best on it, at 10.12:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 10.12:1 |
| White text | 2.07:1 |
Values
| HEX | #66C96A |
| RGB | rgb(102, 201, 106) |
| HSL | hsl(122, 48%, 59%) |
| OKLCH | oklch(75.3% 0.162 144.5) |
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 #66C96A | 2.07:1 | Fails | Lc -44.8 | Non-text elements, placeholder text |
| Black text on #66C96A | 10.12:1 | AAA | Lc 63.7 | Content text, not long reading |
| #66C96A text on white | 2.07:1 | Fails | Lc 40.2 | Non-text elements, placeholder text |
| #66C96A text on black | 10.12:1 | AAA | Lc -62.1 | 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 400.
-
Step 50
50
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DFEFDE
oklch(93.6% 0.028 143.7)
-
Step 200
200
#C3E3C3
oklch(88.4% 0.055 145.1)
-
Step 300
300
#98D298
oklch(80.9% 0.1 144.6)
-
Step 400
400 (this color)
#66C96A
oklch(75.3% 0.162 144.5)
-
Step 500
500
#00A628
oklch(63% 0.201 144.6)
-
Step 600
600
#008C20
oklch(55.6% 0.177 144.6)
-
Step 700
700
#007619
oklch(49.1% 0.157 144.5)
-
Step 800
800
#006113
oklch(42.8% 0.136 144.5)
-
Step 900
900
#00510E
oklch(37.8% 0.121 144.5)
-
Step 950
950
#013006
oklch(26.9% 0.084 144.5)
#66C96A 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) | #CCBA62 | 0.122 |
| Deuteranopia (no green cones) | #BFB070 | 0.122 |
| Tritanopia (no blue cones) | #57C4B3 | 0.101 |
| Achromatopsia (no color) | #B4B4B4 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66C96A
#66C96A
oklch(75.3% 0.162 144.5)
- #E188E8
#E188E8
oklch(75.3% 0.163 324.4)
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 #66C96A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.029
- Seaweed #18D17B ΔE 0.038
- Dark Mint #48C072 ΔE 0.038
- Apple #6ECB3C ΔE 0.043
- Algae Green #21C36F ΔE 0.045
- Turtle Green #75B84F ΔE 0.046
- Dark Mint Green #20C073 ΔE 0.051
- Fresh Green #69D84F ΔE 0.056
Use #66C96A 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.