#3FA989
Closest named color: Greeny Blue (#42B395). oklch(66.5% 0.109 169.7), rgb(63, 169, 137).
Aa
Black text reads best on this color (7.24:1).
About this color
#3FA989 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.109 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.030 away. Black text reads best on it, at 7.24:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.24:1 |
| White text | 2.89:1 |
Values
| HEX | #3FA989 |
| RGB | rgb(63, 169, 137) |
| HSL | hsl(162, 46%, 45%) |
| OKLCH | oklch(66.5% 0.109 169.7) |
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 #3FA989 | 2.89:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #3FA989 | 7.24:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #3FA989 text on white | 2.89:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #3FA989 text on black | 7.24:1 | AAA | Lc -46.8 | 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 500.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EDE8
oklch(93.5% 0.015 171)
-
Step 200
200
#C7E0D6
oklch(88.5% 0.03 169.6)
-
Step 300
300
#9FCCBB
oklch(80.8% 0.053 169.9)
-
Step 400
400
#67B298
oklch(70.7% 0.085 169.5)
-
Step 500
500 (this color)
#3FA989
oklch(66.5% 0.109 169.7)
-
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
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#094D3B
oklch(37.6% 0.071 169.5)
-
Step 950
950
#0A2D23
oklch(26.9% 0.044 170.6)
#3FA989 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) | #A59E87 | 0.111 |
| Deuteranopia (no green cones) | #95938B | 0.106 |
| Tritanopia (no blue cones) | #00AAA0 | 0.035 |
| Achromatopsia (no color) | #989898 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA989
#3FA989
oklch(66.5% 0.109 169.7)
- #C5779D
#C5779D
oklch(66.4% 0.108 349.8)
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 #3FA989, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.030
- Tea #65AB7C ΔE 0.035
- Jade #1FA774 ΔE 0.036
- Dark Seafoam Green #3EAF76 ΔE 0.037
- Bluey Green #2BB179 ΔE 0.039
- Persian Green #2A9D8F ΔE 0.043
- Dull Teal #5F9E8F ΔE 0.043
- Light Sea Green #20B2AA ΔE 0.046
Use #3FA989 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.