#3FB55A
Closest named color: Cool Green (#33B864). oklch(68.6% 0.167 147.8), rgb(63, 181, 90).
Aa
Black text reads best on this color (7.96:1).
About this color
#3FB55A is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.167 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Green (#33B864), ΔE 0.012 away. Black text reads best on it, at 7.96:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 7.96:1 |
| White text | 2.63:1 |
Values
| HEX | #3FB55A |
| RGB | rgb(63, 181, 90) |
| HSL | hsl(134, 48%, 48%) |
| OKLCH | oklch(68.6% 0.167 147.8) |
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 #3FB55A | 2.63:1 | Fails | Lc -56.1 | Large or bold text, headings |
| Black text on #3FB55A | 7.96:1 | AAA | Lc 53.1 | Large or bold text, headings |
| #3FB55A text on white | 2.63:1 | Fails | Lc 51.0 | Large or bold text, headings |
| #3FB55A text on black | 7.96:1 | AAA | Lc -50.9 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DDF0DF
oklch(93.6% 0.03 148.4)
-
Step 200
200
#C0E4C4
oklch(88.4% 0.058 148.2)
-
Step 300
300
#92D39A
oklch(80.8% 0.104 147.7)
-
Step 400
400 (this color)
#3FB55A
oklch(68.6% 0.167 147.8)
-
Step 500
500
#00A640
oklch(63.2% 0.184 147.7)
-
Step 600
600
#008B35
oklch(55.5% 0.161 147.8)
-
Step 700
700
#00752B
oklch(49% 0.143 147.8)
-
Step 800
800
#006022
oklch(42.6% 0.124 147.8)
-
Step 900
900
#00501B
oklch(37.6% 0.109 147.8)
-
Step 950
950
#00300D
oklch(27% 0.078 147.8)
#3FB55A 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) | #B7A652 | 0.133 |
| Deuteranopia (no green cones) | #A89B61 | 0.132 |
| Tritanopia (no blue cones) | #17B1A0 | 0.097 |
| Achromatopsia (no color) | #9F9F9F | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FB55A
#3FB55A
oklch(68.6% 0.167 147.8)
- #D070CE
#D070CE
oklch(68.6% 0.168 328)
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 #3FB55A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.012
- Dark Pastel Green #56AE57 ΔE 0.023
- Medium Green #39AD48 ΔE 0.027
- Shamrock #01B44C ΔE 0.028
- Medium Sea Green #3CB371 ΔE 0.030
- Jade Green #2BAF6A ΔE 0.031
- Leafy Green #51B73B ΔE 0.032
- Boring Green #63B365 ΔE 0.033
Use #3FB55A 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.