#3FA155
Closest named color: Muted Green (#5FA052). oklch(63.3% 0.144 148.2), rgb(63, 161, 85).
Aa
Black text reads best on this color (6.44:1).
About this color
#3FA155 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.144 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.026 away. Black text reads best on it, at 6.44:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.44:1 |
| White text | 3.26:1 |
Values
| HEX | #3FA155 |
| RGB | rgb(63, 161, 85) |
| HSL | hsl(133, 44%, 44%) |
| OKLCH | oklch(63.3% 0.144 148.2) |
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 #3FA155 | 3.26:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #3FA155 | 6.44:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #3FA155 text on white | 3.26:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #3FA155 text on black | 6.44:1 | AA | Lc -42.1 | 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
#E1EEE2
oklch(93.6% 0.021 147.6)
-
Step 200
200
#C8E1CB
oklch(88.5% 0.04 148.7)
-
Step 300
300
#A2CEA7
oklch(80.9% 0.071 147.9)
-
Step 400
400
#6DB478
oklch(70.7% 0.113 148)
-
Step 500
500 (this color)
#3FA155
oklch(63.3% 0.144 148.2)
-
Step 600
600
#0A8B38
oklch(55.6% 0.158 148.1)
-
Step 700
700
#00752D
oklch(49.1% 0.141 148.2)
-
Step 800
800
#046024
oklch(42.7% 0.121 148.1)
-
Step 900
900
#134F23
oklch(37.8% 0.095 148.4)
-
Step 950
950
#0E2E15
oklch(27% 0.059 148.3)
#3FA155 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) | #A3944F | 0.117 |
| Deuteranopia (no green cones) | #968B5A | 0.115 |
| Tritanopia (no blue cones) | #259E8F | 0.083 |
| Achromatopsia (no color) | #8E8E8E | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA155
#3FA155
oklch(63.3% 0.144 148.2)
- #B867B5
#B867B5
oklch(63.3% 0.144 328.5)
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 #3FA155, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.026
- Mid Green #50A747 ΔE 0.029
- Flat Green #699D4C ΔE 0.036
- Seaweed Green #35AD6B ΔE 0.037
- Jade #1FA774 ΔE 0.037
- Jade Green #2BAF6A ΔE 0.040
- Off Green #6BA353 ΔE 0.041
- Fern #63A950 ΔE 0.042
Use #3FA155 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.