#3FC374
Closest named color: Dark Mint (#48C072). oklch(72.7% 0.162 153), rgb(63, 195, 116).
Aa
Black text reads best on this color (9.26:1).
About this color
#3FC374 is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.162 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 0.009 away. Black text reads best on it, at 9.26:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Dark Mint (#48C072) |
| Black text | 9.26:1 |
| White text | 2.26:1 |
Values
| HEX | #3FC374 |
| RGB | rgb(63, 195, 116) |
| HSL | hsl(144, 52%, 51%) |
| OKLCH | oklch(72.7% 0.162 153) |
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 #3FC374 | 2.26:1 | Fails | Lc -49.1 | Large or bold text, headings |
| Black text on #3FC374 | 9.26:1 | AAA | Lc 59.7 | Large or bold text, headings |
| #3FC374 text on white | 2.26:1 | Fails | Lc 44.3 | Non-text elements, placeholder text |
| #3FC374 text on black | 9.26:1 | AAA | Lc -57.9 | 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
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#DCF0E1
oklch(93.6% 0.029 153.3)
-
Step 200
200
#BEE5C8
oklch(88.6% 0.057 153)
-
Step 300
300
#8DD4A2
oklch(80.9% 0.101 153)
-
Step 400
400 (this color)
#3FC374
oklch(72.7% 0.162 153)
-
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)
#3FC374 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) | #C3B36E | 0.140 |
| Deuteranopia (no green cones) | #B3A879 | 0.137 |
| Tritanopia (no blue cones) | #00C0AF | 0.083 |
| Achromatopsia (no color) | #ACACAC | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FC374
#3FC374
oklch(72.7% 0.162 153)
- #E17DD2
#E17DD2
oklch(72.7% 0.161 332.9)
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 #3FC374, closest first.
No curated palette has a color within ΔE 0.04 of #3FC374.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint #48C072 ΔE 0.009
- Algae Green #21C36F ΔE 0.015
- Dark Mint Green #20C073 ΔE 0.017
- Greenblue #23C48B ΔE 0.029
- Cool Green #33B864 ΔE 0.035
- Soft Green #6FC276 ΔE 0.036
- Green Blue #01C08D ΔE 0.038
- Seaweed #18D17B ΔE 0.038
Use #3FC374 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.