#3FB994
Closest named color: Greeny Blue (#42B395). oklch(70.9% 0.121 169), rgb(63, 185, 148).
Aa
Black text reads best on this color (8.57:1).
About this color
#3FB994 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.121 and its hue 169°. 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 8.57:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.57:1 |
| White text | 2.44:1 |
Values
| HEX | #3FB994 |
| RGB | rgb(63, 185, 148) |
| HSL | hsl(162, 49%, 49%) |
| OKLCH | oklch(70.9% 0.121 169) |
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 #3FB994 | 2.44:1 | Fails | Lc -52.8 | Large or bold text, headings |
| Black text on #3FB994 | 8.57:1 | AAA | Lc 56.2 | Large or bold text, headings |
| #3FB994 text on white | 2.44:1 | Fails | Lc 47.8 | Large or bold text, headings |
| #3FB994 text on black | 8.57:1 | AAA | Lc -54.2 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DDEFE7
oklch(93.7% 0.022 167.5)
-
Step 200
200
#BFE3D4
oklch(88.6% 0.043 168.2)
-
Step 300
300
#8FD1B8
oklch(80.9% 0.076 168.8)
-
Step 400
400 (this color)
#3FB994
oklch(70.9% 0.121 169)
-
Step 500
500
#00A17C
oklch(63% 0.126 169.1)
-
Step 600
600
#008868
oklch(55.7% 0.112 168.9)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#004E3B
oklch(37.7% 0.075 169.6)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#3FB994 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) | #B4AD92 | 0.122 |
| Deuteranopia (no green cones) | #A3A196 | 0.117 |
| Tritanopia (no blue cones) | #00BAAE | 0.038 |
| Achromatopsia (no color) | #A6A6A6 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FB994
#3FB994
oklch(70.9% 0.121 169)
- #D980AD
#D980AD
oklch(70.8% 0.122 349)
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 #3FB994, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.018
- Green Blue #01C08D ΔE 0.030
- Topaz #13BBAF ΔE 0.038
- Greenblue #23C48B ΔE 0.039
- Dark Seafoam #1FB57A ΔE 0.041
- Bluey Green #2BB179 ΔE 0.042
- Dark Seafoam Green #3EAF76 ΔE 0.043
- Light Sea Green #20B2AA ΔE 0.045
Use #3FB994 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.