#3FB389
Closest named color: Greeny Blue (#42B395). oklch(69% 0.122 165.3), rgb(63, 179, 137).
Aa
Black text reads best on this color (8.02:1).
About this color
#3FB389 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.122 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.018 away. Black text reads best on it, at 8.02:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.02:1 |
| White text | 2.61:1 |
Values
| HEX | #3FB389 |
| RGB | rgb(63, 179, 137) |
| HSL | hsl(158, 48%, 47%) |
| OKLCH | oklch(69% 0.122 165.3) |
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 #3FB389 | 2.61:1 | Fails | Lc -55.9 | Large or bold text, headings |
| Black text on #3FB389 | 8.02:1 | AAA | Lc 53.3 | Large or bold text, headings |
| #3FB389 text on white | 2.61:1 | Fails | Lc 50.7 | Large or bold text, headings |
| #3FB389 text on black | 8.02:1 | AAA | Lc -51.2 | 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
#DDEFE6
oklch(93.6% 0.022 164.5)
-
Step 200
200
#C0E2D2
oklch(88.4% 0.042 165.3)
-
Step 300
300
#91D1B5
oklch(81% 0.077 165.5)
-
Step 400
400 (this color)
#3FB389
oklch(69% 0.122 165.3)
-
Step 500
500
#00A276
oklch(63.1% 0.132 165.5)
-
Step 600
600
#008862
oklch(55.5% 0.117 165.2)
-
Step 700
700
#007352
oklch(49.2% 0.104 164.9)
-
Step 800
800
#005E43
oklch(42.7% 0.089 165.5)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#3FB389 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) | #AFA787 | 0.120 |
| Deuteranopia (no green cones) | #A09B8C | 0.117 |
| Tritanopia (no blue cones) | #00B3A7 | 0.044 |
| Achromatopsia (no color) | #A0A0A0 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FB389
#3FB389
oklch(69% 0.122 165.3)
- #D17BAC
#D17BAC
oklch(69% 0.122 345.6)
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 #3FB389, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.018
- Dark Seafoam Green #3EAF76 ΔE 0.026
- Bluey Green #2BB179 ΔE 0.026
- Dark Seafoam #1FB57A ΔE 0.029
- Tea #65AB7C ΔE 0.033
- Medium Sea Green #3CB371 ΔE 0.033
- Green Teal #0CB577 ΔE 0.035
- Green Blue #01C08D ΔE 0.038
Use #3FB389 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.