#3FB372
Closest named color: Medium Sea Green (#3CB371). oklch(68.5% 0.142 155), rgb(63, 179, 114).
Aa
Black text reads best on this color (7.90:1).
About this color
#3FB372 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.142 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Sea Green (#3CB371), ΔE 0.002 away. Black text reads best on it, at 7.90:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Medium Sea Green (#3CB371) |
| Black text | 7.90:1 |
| White text | 2.65:1 |
Values
| HEX | #3FB372 |
| RGB | rgb(63, 179, 114) |
| HSL | hsl(146, 48%, 47%) |
| OKLCH | oklch(68.5% 0.142 155) |
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 #3FB372 | 2.65:1 | Fails | Lc -56.5 | Large or bold text, headings |
| Black text on #3FB372 | 7.90:1 | AAA | Lc 52.7 | Large or bold text, headings |
| #3FB372 text on white | 2.65:1 | Fails | Lc 51.4 | Large or bold text, headings |
| #3FB372 text on black | 7.90:1 | AAA | Lc -50.5 | 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
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DDEFE2
oklch(93.5% 0.026 154.5)
-
Step 200
200
#C0E3CB
oklch(88.4% 0.049 155.3)
-
Step 300
300
#92D2A8
oklch(80.9% 0.088 155.2)
-
Step 400
400 (this color)
#3FB372
oklch(68.5% 0.142 155)
-
Step 500
500
#00A45E
oklch(63.1% 0.156 155.1)
-
Step 600
600
#008A4E
oklch(55.6% 0.137 155)
-
Step 700
700
#007441
oklch(49.1% 0.121 155.2)
-
Step 800
800
#005F34
oklch(42.6% 0.105 155.1)
-
Step 900
900
#004F2A
oklch(37.6% 0.093 154.9)
-
Step 950
950
#003017
oklch(27.1% 0.068 154.6)
#3FB372 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) | #B2A56E | 0.126 |
| Deuteranopia (no green cones) | #A39A76 | 0.124 |
| Tritanopia (no blue cones) | #00B1A2 | 0.069 |
| Achromatopsia (no color) | #9F9F9F | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FB372
#3FB372
oklch(68.5% 0.142 155)
- #CE76BC
#CE76BC
oklch(68.5% 0.14 335)
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 #3FB372, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Sea Green #3CB371 ΔE 0.002
- Dark Seafoam #1FB57A ΔE 0.014
- Dark Seafoam Green #3EAF76 ΔE 0.015
- Bluey Green #2BB179 ΔE 0.015
- Green Teal #0CB577 ΔE 0.017
- Jade Green #2BAF6A ΔE 0.019
- Seaweed Green #35AD6B ΔE 0.020
- Algae #54AC68 ΔE 0.022
Use #3FB372 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.