#3FB284
Closest named color: Dark Seafoam Green (#3EAF76). oklch(68.7% 0.124 163.1), rgb(63, 178, 132).
Aa
Black text reads best on this color (7.91:1).
About this color
#3FB284 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.124 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.019 away. Black text reads best on it, at 7.91:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 7.91:1 |
| White text | 2.65:1 |
Values
| HEX | #3FB284 |
| RGB | rgb(63, 178, 132) |
| HSL | hsl(156, 48%, 47%) |
| OKLCH | oklch(68.7% 0.124 163.1) |
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 #3FB284 | 2.65:1 | Fails | Lc -56.5 | Large or bold text, headings |
| Black text on #3FB284 | 7.91:1 | AAA | Lc 52.7 | Large or bold text, headings |
| #3FB284 text on white | 2.65:1 | Fails | Lc 51.3 | Large or bold text, headings |
| #3FB284 text on black | 7.91:1 | AAA | Lc -50.6 | 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
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DDEFE6
oklch(93.6% 0.022 164.5)
-
Step 200
200
#C0E3D1
oklch(88.6% 0.044 163)
-
Step 300
300
#92D1B2
oklch(80.9% 0.078 162.7)
-
Step 400
400 (this color)
#3FB284
oklch(68.7% 0.124 163.1)
-
Step 500
500
#00A271
oklch(63% 0.136 163)
-
Step 600
600
#00895F
oklch(55.7% 0.12 163.1)
-
Step 700
700
#00734F
oklch(49.1% 0.106 163)
-
Step 800
800
#005E40
oklch(42.6% 0.092 163.1)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#002F1E
oklch(27% 0.058 163)
#3FB284 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) | #AFA581 | 0.121 |
| Deuteranopia (no green cones) | #9F9A87 | 0.117 |
| Tritanopia (no blue cones) | #00B2A5 | 0.048 |
| Achromatopsia (no color) | #9F9F9F | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FB284
#3FB284
oklch(68.7% 0.124 163.1)
- #CF7AAE
#CF7AAE
oklch(68.7% 0.124 343.4)
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 #3FB284, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.019
- Bluey Green #2BB179 ΔE 0.020
- Greeny Blue #42B395 ΔE 0.024
- Dark Seafoam #1FB57A ΔE 0.024
- Medium Sea Green #3CB371 ΔE 0.027
- Green Teal #0CB577 ΔE 0.030
- Tea #65AB7C ΔE 0.031
- Algae #54AC68 ΔE 0.035
Use #3FB284 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.