#66BB7F
Closest named color: Soft Green (#6FC276). oklch(72.3% 0.121 151.9), rgb(102, 187, 127).
Aa
Black text reads best on this color (8.97:1).
About this color
#66BB7F is a medium-light, moderately saturated green. In OKLCH its lightness is 72%, its chroma 0.121 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.028 away. Black text reads best on it, at 8.97:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 8.97:1 |
| White text | 2.33:1 |
Values
| HEX | #66BB7F |
| RGB | rgb(102, 187, 127) |
| HSL | hsl(138, 38%, 57%) |
| OKLCH | oklch(72.3% 0.121 151.9) |
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 #66BB7F | 2.33:1 | Fails | Lc -50.8 | Large or bold text, headings |
| Black text on #66BB7F | 8.97:1 | AAA | Lc 58.0 | Large or bold text, headings |
| #66BB7F text on white | 2.33:1 | Fails | Lc 45.9 | Large or bold text, headings |
| #66BB7F text on black | 8.97:1 | AAA | Lc -56.1 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E0EEE3
oklch(93.6% 0.021 152.2)
-
Step 200
200
#C6E2CC
oklch(88.6% 0.042 151.8)
-
Step 300
300
#9DCFA9
oklch(80.9% 0.075 151.8)
-
Step 400
400 (this color)
#66BB7F
oklch(72.3% 0.121 151.9)
-
Step 500
500
#24A358
oklch(63.1% 0.154 151.9)
-
Step 600
600
#008A45
oklch(55.5% 0.146 152)
-
Step 700
700
#007539
oklch(49.2% 0.13 151.8)
-
Step 800
800
#00602D
oklch(42.8% 0.114 151.6)
-
Step 900
900
#005025
oklch(37.8% 0.1 151.8)
-
Step 950
950
#062F16
oklch(27% 0.064 152.1)
#66BB7F 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) | #BBAF7B | 0.103 |
| Deuteranopia (no green cones) | #AFA683 | 0.102 |
| Tritanopia (no blue cones) | #55B9AB | 0.063 |
| Achromatopsia (no color) | #A9A9A9 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66BB7F
#66BB7F
oklch(72.3% 0.121 151.9)
- #D188C7
#D188C7
oklch(72.2% 0.121 331.7)
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 #66BB7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.028
- Faded Green #7BB274 ΔE 0.029
- Boring Green #63B365 ΔE 0.035
- Dark Mint #48C072 ΔE 0.035
- Sage Green #88B378 ΔE 0.037
- Greenblue #23C48B ΔE 0.040
- Lichen #8FB67B ΔE 0.043
- Green Blue #01C08D ΔE 0.043
Use #66BB7F 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.