#3FCA8F
Closest named color: Greenblue (#23C48B). oklch(75% 0.147 160.9), rgb(63, 202, 143).
Aa
Black text reads best on this color (10.05:1).
About this color
#3FCA8F is a medium-light, vivid green. In OKLCH its lightness is 75%, its chroma 0.147 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.022 away. Black text reads best on it, at 10.05:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 10.05:1 |
| White text | 2.08:1 |
Values
| HEX | #3FCA8F |
| RGB | rgb(63, 202, 143) |
| HSL | hsl(155, 57%, 52%) |
| OKLCH | oklch(75% 0.147 160.9) |
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 #3FCA8F | 2.08:1 | Fails | Lc -45.0 | Large or bold text, headings |
| Black text on #3FCA8F | 10.05:1 | AAA | Lc 63.5 | Content text, not long reading |
| #3FCA8F text on white | 2.08:1 | Fails | Lc 40.4 | Non-text elements, placeholder text |
| #3FCA8F text on black | 10.05:1 | AAA | Lc -61.9 | Content text, not long reading |
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
#EFF8F3
oklch(97.1% 0.012 162.1)
-
Step 100
100
#DBF0E4
oklch(93.6% 0.027 160.9)
-
Step 200
200
#BDE4CE
oklch(88.5% 0.051 160.5)
-
Step 300
300
#8AD3AD
oklch(80.8% 0.091 160.7)
-
Step 400
400 (this color)
#3FCA8F
oklch(75% 0.147 160.9)
-
Step 500
500
#00A36D
oklch(63.2% 0.141 160.9)
-
Step 600
600
#00895B
oklch(55.6% 0.124 161)
-
Step 700
700
#00734C
oklch(49.1% 0.109 161.2)
-
Step 800
800
#005E3D
oklch(42.6% 0.095 160.9)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#3FCA8F 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) | #C7BB8C | 0.139 |
| Deuteranopia (no green cones) | #B5AE93 | 0.136 |
| Tritanopia (no blue cones) | #00C9BA | 0.061 |
| Achromatopsia (no color) | #B3B3B3 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FCA8F
#3FCA8F
oklch(75% 0.147 160.9)
- #EB86CA
#EB86CA
oklch(74.9% 0.148 340.6)
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 #3FCA8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.022
- Emerald #06D6A0 ΔE 0.034
- Green Blue #01C08D ΔE 0.036
- Dark Mint #48C072 ΔE 0.039
- Soft Green #6FC276 ΔE 0.039
- Seaweed #18D17B ΔE 0.040
- Dark Mint Green #20C073 ΔE 0.045
- Algae Green #21C36F ΔE 0.046
Use #3FCA8F 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.