#3BC65E
Closest named color: Algae Green (#21C36F). oklch(73% 0.187 147.9), rgb(59, 198, 94).
Aa
Black text reads best on this color (9.42:1).
About this color
#3BC65E is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.187 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae Green (#21C36F), ΔE 0.024 away. Black text reads best on it, at 9.42:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.187) |
| Temperature | in between |
| Nearest name | Algae Green (#21C36F) |
| Black text | 9.42:1 |
| White text | 2.22:1 |
Values
| HEX | #3BC65E |
| RGB | rgb(59, 198, 94) |
| HSL | hsl(135, 55%, 50%) |
| OKLCH | oklch(73% 0.187 147.9) |
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 #3BC65E | 2.22:1 | Fails | Lc -48.2 | Large or bold text, headings |
| Black text on #3BC65E | 9.42:1 | AAA | Lc 60.5 | Content text, not long reading |
| #3BC65E text on white | 2.22:1 | Fails | Lc 43.4 | Non-text elements, placeholder text |
| #3BC65E text on black | 9.42:1 | AAA | Lc -58.7 | 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
#EFF9F0
oklch(97.2% 0.016 148.4)
-
Step 100
100
#DCF1DD
oklch(93.7% 0.035 146.6)
-
Step 200
200
#BDE6C1
oklch(88.6% 0.066 147.7)
-
Step 300
300
#8BD595
oklch(80.8% 0.116 147.7)
-
Step 400
400 (this color)
#3BC65E
oklch(73% 0.187 147.9)
-
Step 500
500
#00A641
oklch(63.2% 0.184 147.9)
-
Step 600
600
#008B35
oklch(55.5% 0.161 147.8)
-
Step 700
700
#00752B
oklch(49% 0.143 147.8)
-
Step 800
800
#006022
oklch(42.6% 0.124 147.8)
-
Step 900
900
#00501B
oklch(37.6% 0.109 147.8)
-
Step 950
950
#00300D
oklch(27% 0.078 147.8)
#3BC65E 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) | #C8B555 | 0.148 |
| Deuteranopia (no green cones) | #B8A966 | 0.148 |
| Tritanopia (no blue cones) | #00C2AE | 0.108 |
| Achromatopsia (no color) | #AEAEAE | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3BC65E
#3BC65E
oklch(73% 0.187 147.9)
- #E477E2
#E477E2
oklch(72.9% 0.187 328)
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 #3BC65E, closest first.
No curated palette has a color within ΔE 0.04 of #3BC65E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae Green #21C36F ΔE 0.024
- Shamrock Green #02C14D ΔE 0.029
- Dark Mint #48C072 ΔE 0.034
- Dark Mint Green #20C073 ΔE 0.035
- Seaweed #18D17B ΔE 0.037
- Leafy Green #51B73B ΔE 0.044
- Cool Green #33B864 ΔE 0.044
- Apple #6ECB3C ΔE 0.047
Use #3BC65E 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.