#3FB18A
Closest named color: Greeny Blue (#42B395). oklch(68.6% 0.118 166.7), rgb(63, 177, 138).
Aa
Black text reads best on this color (7.86:1).
About this color
#3FB18A is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.118 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.016 away. Black text reads best on it, at 7.86:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.86:1 |
| White text | 2.66:1 |
Values
| HEX | #3FB18A |
| RGB | rgb(63, 177, 138) |
| HSL | hsl(159, 48%, 47%) |
| OKLCH | oklch(68.6% 0.118 166.7) |
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 #3FB18A | 2.66:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #3FB18A | 7.86:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #3FB18A text on white | 2.66:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #3FB18A text on black | 7.86:1 | AAA | Lc -50.3 | 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
#F0F8F4
oklch(97.2% 0.01 164.9)
-
Step 100
100
#DDEFE7
oklch(93.7% 0.022 167.5)
-
Step 200
200
#C1E2D3
oklch(88.5% 0.04 166.2)
-
Step 300
300
#92D0B6
oklch(80.8% 0.074 166.6)
-
Step 400
400 (this color)
#3FB18A
oklch(68.6% 0.118 166.7)
-
Step 500
500
#00A278
oklch(63.2% 0.13 166.5)
-
Step 600
600
#008865
oklch(55.6% 0.114 167)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#3FB18A 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) | #ADA588 | 0.118 |
| Deuteranopia (no green cones) | #9D9A8D | 0.113 |
| Tritanopia (no blue cones) | #00B2A6 | 0.041 |
| Achromatopsia (no color) | #9E9E9E | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FB18A
#3FB18A
oklch(68.6% 0.118 166.7)
- #CE7BA9
#CE7BA9
oklch(68.6% 0.118 346.3)
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 #3FB18A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.016
- Dark Seafoam Green #3EAF76 ΔE 0.027
- Bluey Green #2BB179 ΔE 0.028
- Tea #65AB7C ΔE 0.031
- Dark Seafoam #1FB57A ΔE 0.033
- Medium Sea Green #3CB371 ΔE 0.037
- Green Teal #0CB577 ΔE 0.039
- Algae #54AC68 ΔE 0.042
Use #3FB18A 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.