#3FC39D
Closest named color: Greenblue (#23C48B). oklch(73.6% 0.127 169.8), rgb(63, 195, 157).
Aa
Black text reads best on this color (9.50:1).
About this color
#3FC39D is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.127 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.030 away. Black text reads best on it, at 9.50:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.50:1 |
| White text | 2.20:1 |
Values
| HEX | #3FC39D |
| RGB | rgb(63, 195, 157) |
| HSL | hsl(163, 52%, 51%) |
| OKLCH | oklch(73.6% 0.127 169.8) |
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 #3FC39D | 2.20:1 | Fails | Lc -47.9 | Large or bold text, headings |
| Black text on #3FC39D | 9.50:1 | AAA | Lc 60.8 | Content text, not long reading |
| #3FC39D text on white | 2.20:1 | Fails | Lc 43.1 | Non-text elements, placeholder text |
| #3FC39D text on black | 9.50:1 | AAA | Lc -59.0 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DCEFE7
oklch(93.6% 0.023 168.7)
-
Step 200
200
#BEE3D4
oklch(88.5% 0.044 168.8)
-
Step 300
300
#8CD2B9
oklch(81% 0.079 169.9)
-
Step 400
400 (this color)
#3FC39D
oklch(73.6% 0.127 169.8)
-
Step 500
500
#00A17D
oklch(63% 0.125 169.6)
-
Step 600
600
#008869
oklch(55.7% 0.111 169.5)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#004E3B
oklch(37.7% 0.075 169.6)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#3FC39D 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) | #BEB69B | 0.130 |
| Deuteranopia (no green cones) | #ACA9A0 | 0.125 |
| Tritanopia (no blue cones) | #00C4B8 | 0.038 |
| Achromatopsia (no color) | #AEAEAE | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FC39D
#3FC39D
oklch(73.6% 0.127 169.8)
- #E587B5
#E587B5
oklch(73.6% 0.127 349.9)
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 #3FC39D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.030
- Green Blue #01C08D ΔE 0.031
- Topaz #13BBAF ΔE 0.043
- Medium Aquamarine #66CDAA ΔE 0.044
- Greeny Blue #42B395 ΔE 0.045
- Emerald #06D6A0 ΔE 0.053
- Dark Mint #48C072 ΔE 0.055
- Soft Green #6FC276 ΔE 0.055
Use #3FC39D 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.