#5BC366
Closest named color: Dark Mint (#48C072). oklch(73.3% 0.163 145.8), rgb(91, 195, 102).
Aa
Black text reads best on this color (9.44:1).
About this color
#5BC366 is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.163 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Mint (#48C072), ΔE 0.022 away. Black text reads best on it, at 9.44:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Dark Mint (#48C072) |
| Black text | 9.44:1 |
| White text | 2.22:1 |
Values
| HEX | #5BC366 |
| RGB | rgb(91, 195, 102) |
| HSL | hsl(126, 46%, 56%) |
| OKLCH | oklch(73.3% 0.163 145.8) |
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 #5BC366 | 2.22:1 | Fails | Lc -48.3 | Large or bold text, headings |
| Black text on #5BC366 | 9.44:1 | AAA | Lc 60.4 | Content text, not long reading |
| #5BC366 text on white | 2.22:1 | Fails | Lc 43.5 | Non-text elements, placeholder text |
| #5BC366 text on black | 9.44:1 | AAA | Lc -58.6 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DEF0DE
oklch(93.7% 0.031 145.3)
-
Step 200
200
#C2E4C3
oklch(88.5% 0.057 145.9)
-
Step 300
300
#96D399
oklch(81% 0.102 145.8)
-
Step 400
400 (this color)
#5BC366
oklch(73.3% 0.163 145.8)
-
Step 500
500
#00A633
oklch(63.1% 0.194 145.8)
-
Step 600
600
#008C29
oklch(55.7% 0.172 145.7)
-
Step 700
700
#007621
oklch(49.2% 0.152 145.7)
-
Step 800
800
#00611A
oklch(42.9% 0.132 145.8)
-
Step 900
900
#005114
oklch(37.8% 0.117 145.7)
-
Step 950
950
#003008
oklch(26.9% 0.083 145.6)
#5BC366 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) | #C6B45E | 0.126 |
| Deuteranopia (no green cones) | #B8AA6C | 0.125 |
| Tritanopia (no blue cones) | #49BFAD | 0.098 |
| Achromatopsia (no color) | #AEAEAE | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BC366
#5BC366
oklch(73.3% 0.163 145.8)
- #DC81DF
#DC81DF
oklch(73.3% 0.163 325.9)
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 #5BC366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint #48C072 ΔE 0.022
- Soft Green #6FC276 ΔE 0.029
- Algae Green #21C36F ΔE 0.030
- Turtle Green #75B84F ΔE 0.034
- Dark Mint Green #20C073 ΔE 0.035
- Seaweed #18D17B ΔE 0.042
- Cool Green #33B864 ΔE 0.044
- Boring Green #63B365 ΔE 0.045
Use #5BC366 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.