#66A035
Closest named color: Mid Green (#50A747). oklch(64.3% 0.151 133.4), rgb(102, 160, 53).
Aa
Black text reads best on this color (6.64:1).
About this color
#66A035 is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.151 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.025 away. Black text reads best on it, at 6.64:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.64:1 |
| White text | 3.16:1 |
Values
| HEX | #66A035 |
| RGB | rgb(102, 160, 53) |
| HSL | hsl(93, 50%, 42%) |
| OKLCH | oklch(64.3% 0.151 133.4) |
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 #66A035 | 3.16:1 | AA large text | Lc -63.9 | Content text, not long reading |
| Black text on #66A035 | 6.64:1 | AA | Lc 45.5 | Large or bold text, headings |
| #66A035 text on white | 3.16:1 | AA large text | Lc 58.5 | Large or bold text, headings |
| #66A035 text on black | 6.64:1 | AA | Lc -43.2 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F3F7F0
oklch(97.1% 0.01 131.4)
-
Step 100
100
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CFDFC4
oklch(88.4% 0.04 132.4)
-
Step 300
300
#AECC9B
oklch(81% 0.074 133.5)
-
Step 400
400
#82B062
oklch(70.6% 0.118 133.6)
-
Step 500
500 (this color)
#66A035
oklch(64.3% 0.151 133.4)
-
Step 600
600
#4A8600
oklch(55.7% 0.159 133.6)
-
Step 700
700
#3E7000
oklch(49% 0.139 133.3)
-
Step 800
800
#325C00
oklch(42.7% 0.121 133.3)
-
Step 900
900
#2B4C0A
oklch(37.7% 0.099 133.2)
-
Step 950
950
#192D09
oklch(27.1% 0.064 133.8)
#66A035 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) | #A69427 | 0.087 |
| Deuteranopia (no green cones) | #9E8F3E | 0.089 |
| Tritanopia (no blue cones) | #669A8A | 0.112 |
| Achromatopsia (no color) | #919191 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66A035
#66A035
oklch(64.3% 0.151 133.4)
- #AD6ECD
#AD6ECD
oklch(64.2% 0.151 313.4)
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 #66A035, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.025
- Flat Green #699D4C ΔE 0.027
- Muted Green #5FA052 ΔE 0.028
- Fern #63A950 ΔE 0.030
- Off Green #6BA353 ΔE 0.030
- Leaf #71AA34 ΔE 0.033
- Grass #5CAC2D ΔE 0.037
- Leaf Green #5CA904 ΔE 0.041
Use #66A035 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.