#66B460
Closest named color: Boring Green (#63B365). oklch(69.9% 0.141 142.4), rgb(102, 180, 96).
Aa
Black text reads best on this color (8.26:1).
About this color
#66B460 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.141 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Boring Green (#63B365), ΔE 0.007 away. Black text reads best on it, at 8.26:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.26:1 |
| White text | 2.54:1 |
Values
| HEX | #66B460 |
| RGB | rgb(102, 180, 96) |
| HSL | hsl(116, 36%, 54%) |
| OKLCH | oklch(69.9% 0.141 142.4) |
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 #66B460 | 2.54:1 | Fails | Lc -54.7 | Large or bold text, headings |
| Black text on #66B460 | 8.26:1 | AAA | Lc 54.4 | Large or bold text, headings |
| #66B460 text on white | 2.54:1 | Fails | Lc 49.6 | Large or bold text, headings |
| #66B460 text on black | 8.26:1 | AAA | Lc -52.3 | Large or bold text, headings |
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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E1EFDF
oklch(93.7% 0.026 141.8)
-
Step 200
200
#C7E2C4
oklch(88.5% 0.05 142.4)
-
Step 300
300
#A0D09B
oklch(81% 0.089 142.3)
-
Step 400
400 (this color)
#66B460
oklch(69.9% 0.141 142.4)
-
Step 500
500
#37A331
oklch(63.1% 0.18 142.4)
-
Step 600
600
#028C00
oklch(55.5% 0.188 142.4)
-
Step 700
700
#017600
oklch(49% 0.167 142.4)
-
Step 800
800
#016100
oklch(42.7% 0.145 142.4)
-
Step 900
900
#0D500B
oklch(37.7% 0.118 142.5)
-
Step 950
950
#0B2F0A
oklch(27% 0.074 142.8)
#66B460 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) | #B8A759 | 0.104 |
| Deuteranopia (no green cones) | #ACA065 | 0.101 |
| Tritanopia (no blue cones) | #5EB0A0 | 0.090 |
| Achromatopsia (no color) | #A2A2A2 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66B460
#66B460
oklch(69.9% 0.141 142.4)
- #C77ED1
#C77ED1
oklch(69.8% 0.141 322.6)
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 #66B460, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.007
- Dark Pastel Green #56AE57 ΔE 0.026
- Asparagus #77AB56 ΔE 0.027
- Turtle Green #75B84F ΔE 0.027
- Fern #63A950 ΔE 0.033
- Algae #54AC68 ΔE 0.033
- Cool Green #33B864 ΔE 0.035
- Medium Sea Green #3CB371 ΔE 0.035
Use #66B460 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.