#3FBB70
Closest named color: Dark Mint (#48C072). oklch(70.5% 0.155 153), rgb(63, 187, 112).
Aa
Black text reads best on this color (8.55:1).
About this color
#3FBB70 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.155 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Mint (#48C072), ΔE 0.016 away. Black text reads best on it, at 8.55:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Dark Mint (#48C072) |
| Black text | 8.55:1 |
| White text | 2.45:1 |
Values
| HEX | #3FBB70 |
| RGB | rgb(63, 187, 112) |
| HSL | hsl(144, 50%, 49%) |
| OKLCH | oklch(70.5% 0.155 153) |
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 #3FBB70 | 2.45:1 | Fails | Lc -52.9 | Large or bold text, headings |
| Black text on #3FBB70 | 8.55:1 | AAA | Lc 56.1 | Large or bold text, headings |
| #3FBB70 text on white | 2.45:1 | Fails | Lc 47.9 | Large or bold text, headings |
| #3FBB70 text on black | 8.55:1 | AAA | Lc -54.1 | 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
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#DDF0E1
oklch(93.7% 0.028 151.9)
-
Step 200
200
#BFE4C9
oklch(88.5% 0.053 153.5)
-
Step 300
300
#8FD3A3
oklch(80.8% 0.097 153.1)
-
Step 400
400 (this color)
#3FBB70
oklch(70.5% 0.155 153)
-
Step 500
500
#00A457
oklch(63% 0.162 153)
-
Step 600
600
#008A48
oklch(55.5% 0.143 153)
-
Step 700
700
#00743C
oklch(49% 0.126 153.1)
-
Step 800
800
#005F30
oklch(42.6% 0.109 153.1)
-
Step 900
900
#005027
oklch(37.8% 0.098 152.9)
-
Step 950
950
#003015
oklch(27.1% 0.07 152.9)
#3FBB70 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) | #BBAC6B | 0.134 |
| Deuteranopia (no green cones) | #ABA175 | 0.131 |
| Tritanopia (no blue cones) | #00B9A8 | 0.079 |
| Achromatopsia (no color) | #A5A5A5 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FBB70
#3FBB70
oklch(70.5% 0.155 153)
- #D878C9
#D878C9
oklch(70.5% 0.155 333.1)
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 #3FBB70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint #48C072 ΔE 0.016
- Dark Mint Green #20C073 ΔE 0.016
- Cool Green #33B864 ΔE 0.018
- Medium Sea Green #3CB371 ΔE 0.024
- Algae Green #21C36F ΔE 0.025
- Dark Seafoam #1FB57A ΔE 0.029
- Green Teal #0CB577 ΔE 0.029
- Boring Green #63B365 ΔE 0.030
Use #3FBB70 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.