#5BC55B
Closest named color: Dark Mint (#48C072). oklch(73.7% 0.175 143.5), rgb(91, 197, 91).
Aa
Black text reads best on this color (9.58:1).
About this color
#5BC55B is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.175 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Mint (#48C072), ΔE 0.034 away. Black text reads best on it, at 9.58:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Dark Mint (#48C072) |
| Black text | 9.58:1 |
| White text | 2.19:1 |
Values
| HEX | #5BC55B |
| RGB | rgb(91, 197, 91) |
| HSL | hsl(120, 48%, 56%) |
| OKLCH | oklch(73.7% 0.175 143.5) |
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 #5BC55B | 2.19:1 | Fails | Lc -47.5 | Large or bold text, headings |
| Black text on #5BC55B | 9.58:1 | AAA | Lc 61.1 | Content text, not long reading |
| #5BC55B text on white | 2.19:1 | Fails | Lc 42.8 | Non-text elements, placeholder text |
| #5BC55B text on black | 9.58:1 | AAA | Lc -59.4 | 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
#F0F8EF
oklch(97.1% 0.015 142.2)
-
Step 100
100
#DEF0DD
oklch(93.7% 0.032 143.9)
-
Step 200
200
#C2E4C0
oklch(88.5% 0.06 143.6)
-
Step 300
300
#95D393
oklch(80.8% 0.109 143.8)
-
Step 400
400 (this color)
#5BC55B
oklch(73.7% 0.175 143.5)
-
Step 500
500
#00A71B
oklch(63.2% 0.208 143.5)
-
Step 600
600
#008C15
oklch(55.5% 0.183 143.5)
-
Step 700
700
#007610
oklch(49.1% 0.161 143.5)
-
Step 800
800
#00610B
oklch(42.7% 0.141 143.5)
-
Step 900
900
#005108
oklch(37.7% 0.124 143.6)
-
Step 950
950
#003103
oklch(27.2% 0.089 143.6)
#5BC55B 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) | #C9B551 | 0.129 |
| Deuteranopia (no green cones) | #BBAB63 | 0.130 |
| Tritanopia (no blue cones) | #4BC0AD | 0.110 |
| Achromatopsia (no color) | #AFAFAF | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BC55B
#5BC55B
oklch(73.7% 0.175 143.5)
- #DE7FE8
#DE7FE8
oklch(73.6% 0.176 323.6)
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 #5BC55B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint #48C072 ΔE 0.034
- Algae Green #21C36F ΔE 0.035
- Apple #6ECB3C ΔE 0.037
- Turtle Green #75B84F ΔE 0.038
- Soft Green #6FC276 ΔE 0.041
- Seaweed #18D17B ΔE 0.042
- Dark Mint Green #20C073 ΔE 0.043
- Shamrock Green #02C14D ΔE 0.044
Use #5BC55B 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.