#3FC490
Closest named color: Greenblue (#23C48B). oklch(73.5% 0.138 163), rgb(63, 196, 144).
Aa
Black text reads best on this color (9.51:1).
About this color
#3FC490 is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.138 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.014 away. Black text reads best on it, at 9.51:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.51:1 |
| White text | 2.20:1 |
Values
| HEX | #3FC490 |
| RGB | rgb(63, 196, 144) |
| HSL | hsl(157, 53%, 51%) |
| OKLCH | oklch(73.5% 0.138 163) |
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 #3FC490 | 2.20:1 | Fails | Lc -47.8 | Large or bold text, headings |
| Black text on #3FC490 | 9.51:1 | AAA | Lc 60.9 | Content text, not long reading |
| #3FC490 text on white | 2.20:1 | Fails | Lc 43.1 | Non-text elements, placeholder text |
| #3FC490 text on black | 9.51:1 | AAA | Lc -59.1 | 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
#EFF8F3
oklch(97.1% 0.012 162.1)
-
Step 100
100
#DCEFE5
oklch(93.5% 0.024 163.1)
-
Step 200
200
#BEE4D0
oklch(88.6% 0.048 162.3)
-
Step 300
300
#8CD3B1
oklch(81% 0.086 162.9)
-
Step 400
400 (this color)
#3FC490
oklch(73.5% 0.138 163)
-
Step 500
500
#00A271
oklch(63% 0.136 163)
-
Step 600
600
#00895F
oklch(55.7% 0.12 163.1)
-
Step 700
700
#00734F
oklch(49.1% 0.106 163)
-
Step 800
800
#005E40
oklch(42.6% 0.092 163.1)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#002F1E
oklch(27% 0.058 163)
#3FC490 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) | #C1B68D | 0.134 |
| Deuteranopia (no green cones) | #AFA993 | 0.130 |
| Tritanopia (no blue cones) | #00C4B6 | 0.054 |
| Achromatopsia (no color) | #AEAEAE | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FC490
#3FC490
oklch(73.5% 0.138 163)
- #E484C0
#E484C0
oklch(73.4% 0.138 342.9)
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 #3FC490, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.014
- Green Blue #01C08D ΔE 0.023
- Dark Mint #48C072 ΔE 0.036
- Soft Green #6FC276 ΔE 0.041
- Dark Mint Green #20C073 ΔE 0.042
- Algae Green #21C36F ΔE 0.047
- Emerald #06D6A0 ΔE 0.048
- Dark Seafoam #1FB57A ΔE 0.051
Use #3FC490 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.