#66BB76
Closest named color: Soft Green (#6FC276). oklch(72.1% 0.13 148.5), rgb(102, 187, 118).
Aa
Black text reads best on this color (8.93:1).
About this color
#66BB76 is a medium-light, moderately saturated green. In OKLCH its lightness is 72%, its chroma 0.130 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.023 away. Black text reads best on it, at 8.93:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 8.93:1 |
| White text | 2.35:1 |
Values
| HEX | #66BB76 |
| RGB | rgb(102, 187, 118) |
| HSL | hsl(131, 38%, 57%) |
| OKLCH | oklch(72.1% 0.13 148.5) |
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 #66BB76 | 2.35:1 | Fails | Lc -51.1 | Large or bold text, headings |
| Black text on #66BB76 | 8.93:1 | AAA | Lc 57.8 | Large or bold text, headings |
| #66BB76 text on white | 2.35:1 | Fails | Lc 46.2 | Large or bold text, headings |
| #66BB76 text on black | 8.93:1 | AAA | Lc -55.9 | 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
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#E0EEE1
oklch(93.5% 0.023 147.4)
-
Step 200
200
#C6E2C9
oklch(88.5% 0.045 148.2)
-
Step 300
300
#9DD0A4
oklch(81% 0.081 148.5)
-
Step 400
400 (this color)
#66BB76
oklch(72.1% 0.13 148.5)
-
Step 500
500
#26A34B
oklch(63% 0.165 148.4)
-
Step 600
600
#008B38
oklch(55.6% 0.159 148.5)
-
Step 700
700
#00752E
oklch(49.1% 0.14 148.5)
-
Step 800
800
#006024
oklch(42.7% 0.122 148.4)
-
Step 900
900
#00501D
oklch(37.6% 0.108 148.5)
-
Step 950
950
#072F12
oklch(27% 0.068 148.6)
#66BB76 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) | #BDAE71 | 0.107 |
| Deuteranopia (no green cones) | #B0A67A | 0.104 |
| Tritanopia (no blue cones) | #57B8A9 | 0.073 |
| Achromatopsia (no color) | #A9A9A9 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66BB76
#66BB76
oklch(72.1% 0.13 148.5)
- #D186CD
#D186CD
oklch(72.1% 0.13 328.7)
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 #66BB76, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.023
- Boring Green #63B365 ΔE 0.027
- Dark Mint #48C072 ΔE 0.027
- Faded Green #7BB274 ΔE 0.030
- Turtle Green #75B84F ΔE 0.041
- Sage Green #88B378 ΔE 0.041
- Greenblue #23C48B ΔE 0.041
- Medium Sea Green #3CB371 ΔE 0.042
Use #66BB76 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.