#66B474
Closest named color: Boring Green (#63B365). oklch(70.3% 0.121 148.4), rgb(102, 180, 116).
Aa
Black text reads best on this color (8.34:1).
About this color
#66B474 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.121 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Boring Green (#63B365), ΔE 0.019 away. Black text reads best on it, at 8.34:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.34:1 |
| White text | 2.51:1 |
Values
| HEX | #66B474 |
| RGB | rgb(102, 180, 116) |
| HSL | hsl(131, 34%, 55%) |
| OKLCH | oklch(70.3% 0.121 148.4) |
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 #66B474 | 2.51:1 | Fails | Lc -54.3 | Large or bold text, headings |
| Black text on #66B474 | 8.34:1 | AAA | Lc 54.8 | Large or bold text, headings |
| #66B474 text on white | 2.51:1 | Fails | Lc 49.2 | Large or bold text, headings |
| #66B474 text on black | 8.34:1 | AAA | Lc -52.8 | 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
#E0EEE2
oklch(93.5% 0.022 149.7)
-
Step 200
200
#C7E1CA
oklch(88.4% 0.042 148.5)
-
Step 300
300
#9FCFA6
oklch(81% 0.076 148.8)
-
Step 400
400 (this color)
#66B474
oklch(70.3% 0.121 148.4)
-
Step 500
500
#34A250
oklch(63.1% 0.155 148.3)
-
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
#0B4F20
oklch(37.6% 0.1 148.4)
-
Step 950
950
#0B2F13
oklch(27.1% 0.065 147.8)
#66B474 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) | #B5A870 | 0.099 |
| Deuteranopia (no green cones) | #AAA078 | 0.098 |
| Tritanopia (no blue cones) | #59B1A4 | 0.070 |
| Achromatopsia (no color) | #A3A3A3 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66B474
#66B474
oklch(70.3% 0.121 148.4)
- #C883C5
#C883C5
oklch(70.3% 0.121 328.3)
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 #66B474, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.019
- Faded Green #7BB274 ΔE 0.022
- Tea #65AB7C ΔE 0.032
- Algae #54AC68 ΔE 0.032
- Medium Sea Green #3CB371 ΔE 0.033
- Dusty Green #76A973 ΔE 0.034
- Asparagus #77AB56 ΔE 0.036
- Dark Seafoam Green #3EAF76 ΔE 0.036
Use #66B474 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.