#3FA664
Closest named color: Seaweed Green (#35AD6B). oklch(64.8% 0.137 152.3), rgb(63, 166, 100).
Aa
Black text reads best on this color (6.84:1).
About this color
#3FA664 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.137 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed Green (#35AD6B), ΔE 0.019 away. Black text reads best on it, at 6.84:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Seaweed Green (#35AD6B) |
| Black text | 6.84:1 |
| White text | 3.06:1 |
Values
| HEX | #3FA664 |
| RGB | rgb(63, 166, 100) |
| HSL | hsl(142, 45%, 45%) |
| OKLCH | oklch(64.8% 0.137 152.3) |
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 #3FA664 | 3.06:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #3FA664 | 6.84:1 | AA | Lc 46.8 | Large or bold text, headings |
| #3FA664 text on white | 3.06:1 | AA large text | Lc 57.2 | Large or bold text, headings |
| #3FA664 text on black | 6.84:1 | AA | Lc -44.5 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C8E1CD
oklch(88.6% 0.038 151.3)
-
Step 300
300
#A1CEAC
oklch(81% 0.067 152.2)
-
Step 400
400
#6AB480
oklch(70.7% 0.107 152.4)
-
Step 500
500 (this color)
#3FA664
oklch(64.8% 0.137 152.3)
-
Step 600
600
#008A46
oklch(55.5% 0.145 152.3)
-
Step 700
700
#00743A
oklch(49% 0.128 152.4)
-
Step 800
800
#00602E
oklch(42.8% 0.113 152)
-
Step 900
900
#0F4F29
oklch(37.8% 0.09 152.3)
-
Step 950
950
#0C2E18
oklch(26.9% 0.057 152.1)
#3FA664 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) | #A6995F | 0.117 |
| Deuteranopia (no green cones) | #998F68 | 0.116 |
| Tritanopia (no blue cones) | #1AA495 | 0.071 |
| Achromatopsia (no color) | #939393 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA664
#3FA664
oklch(64.8% 0.137 152.3)
- #BE6DB3
#BE6DB3
oklch(64.8% 0.136 332.2)
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 #3FA664, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed Green #35AD6B ΔE 0.019
- Jade #1FA774 ΔE 0.022
- Jade Green #2BAF6A ΔE 0.025
- Algae #54AC68 ΔE 0.026
- Muted Green #5FA052 ΔE 0.029
- Dark Seafoam Green #3EAF76 ΔE 0.030
- Mid Green #50A747 ΔE 0.034
- Bluey Green #2BB179 ΔE 0.034
Use #3FA664 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.