#66BB7E
Closest named color: Soft Green (#6FC276). oklch(72.2% 0.122 151.4), rgb(102, 187, 126).
Aa
Black text reads best on this color (8.97:1).
About this color
#66BB7E is a medium-light, moderately saturated green. In OKLCH its lightness is 72%, its chroma 0.122 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.027 away. Black text reads best on it, at 8.97:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 8.97:1 |
| White text | 2.34:1 |
Values
| HEX | #66BB7E |
| RGB | rgb(102, 187, 126) |
| HSL | hsl(137, 38%, 57%) |
| OKLCH | oklch(72.2% 0.122 151.4) |
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 #66BB7E | 2.34:1 | Fails | Lc -50.9 | Large or bold text, headings |
| Black text on #66BB7E | 8.97:1 | AAA | Lc 58.0 | Large or bold text, headings |
| #66BB7E text on white | 2.34:1 | Fails | Lc 46.0 | Large or bold text, headings |
| #66BB7E 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
#C6E2CB
oklch(88.6% 0.043 150.5)
-
Step 300
300
#9DCFA8
oklch(80.9% 0.076 151.1)
-
Step 400
400 (this color)
#66BB7E
oklch(72.2% 0.122 151.4)
-
Step 500
500
#24A356
oklch(63.1% 0.156 151.3)
-
Step 600
600
#008B43
oklch(55.7% 0.149 151.3)
-
Step 700
700
#007538
oklch(49.2% 0.131 151.5)
-
Step 800
800
#00602D
oklch(42.8% 0.114 151.6)
-
Step 900
900
#005024
oklch(37.7% 0.101 151.4)
-
Step 950
950
#062F15
oklch(27% 0.065 151.2)
#66BB7E 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) | #BCAF7A | 0.105 |
| Deuteranopia (no green cones) | #AFA682 | 0.102 |
| Tritanopia (no blue cones) | #55B9AB | 0.064 |
| Achromatopsia (no color) | #A9A9A9 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66BB7E
#66BB7E
oklch(72.2% 0.122 151.4)
- #D188C8
#D188C8
oklch(72.2% 0.122 331.2)
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 #66BB7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.027
- Faded Green #7BB274 ΔE 0.029
- Boring Green #63B365 ΔE 0.034
- Dark Mint #48C072 ΔE 0.034
- Sage Green #88B378 ΔE 0.038
- Greenblue #23C48B ΔE 0.040
- Lichen #8FB67B ΔE 0.043
- Green Blue #01C08D ΔE 0.044
Use #66BB7E 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.