#3FC383
Closest named color: Greenblue (#23C48B). oklch(73% 0.148 157.9), rgb(63, 195, 131).
Aa
Black text reads best on this color (9.34:1).
About this color
#3FC383 is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.148 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.013 away. Black text reads best on it, at 9.34:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.34:1 |
| White text | 2.24:1 |
Values
| HEX | #3FC383 |
| RGB | rgb(63, 195, 131) |
| HSL | hsl(151, 52%, 51%) |
| OKLCH | oklch(73% 0.148 157.9) |
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 #3FC383 | 2.24:1 | Fails | Lc -48.7 | Large or bold text, headings |
| Black text on #3FC383 | 9.34:1 | AAA | Lc 60.1 | Content text, not long reading |
| #3FC383 text on white | 2.24:1 | Fails | Lc 43.9 | Non-text elements, placeholder text |
| #3FC383 text on black | 9.34:1 | AAA | Lc -58.2 | 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
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DCF0E3
oklch(93.7% 0.027 157.4)
-
Step 200
200
#BEE4CC
oklch(88.5% 0.052 157.5)
-
Step 300
300
#8CD3AA
oklch(80.9% 0.092 158.2)
-
Step 400
400 (this color)
#3FC383
oklch(73% 0.148 157.9)
-
Step 500
500
#00A366
oklch(63% 0.147 158.1)
-
Step 600
600
#008955
oklch(55.5% 0.129 158.2)
-
Step 700
700
#007447
oklch(49.2% 0.115 158)
-
Step 800
800
#005F39
oklch(42.8% 0.1 157.9)
-
Step 900
900
#004F2F
oklch(37.7% 0.088 158.2)
-
Step 950
950
#002F1A
oklch(26.9% 0.063 158.2)
#3FC383 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) | #C1B47F | 0.136 |
| Deuteranopia (no green cones) | #B0A887 | 0.133 |
| Tritanopia (no blue cones) | #00C2B2 | 0.066 |
| Achromatopsia (no color) | #ADADAD | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FC383
#3FC383
oklch(73% 0.148 157.9)
- #E281C8
#E281C8
oklch(73% 0.147 337.8)
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 #3FC383, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.013
- Dark Mint #48C072 ΔE 0.020
- Green Blue #01C08D ΔE 0.024
- Dark Mint Green #20C073 ΔE 0.027
- Algae Green #21C36F ΔE 0.031
- Soft Green #6FC276 ΔE 0.035
- Dark Seafoam #1FB57A ΔE 0.045
- Cool Green #33B864 ΔE 0.045
Use #3FC383 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.