#5BC596
Closest named color: Medium Aquamarine (#66CDAA). oklch(74.8% 0.121 162.2), rgb(91, 197, 150).
Aa
Black text reads best on this color (9.87:1).
About this color
#5BC596 is a medium-light, moderately saturated green. In OKLCH its lightness is 75%, its chroma 0.121 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.034 away. Black text reads best on it, at 9.87:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.87:1 |
| White text | 2.12:1 |
Values
| HEX | #5BC596 |
| RGB | rgb(91, 197, 150) |
| HSL | hsl(153, 48%, 56%) |
| OKLCH | oklch(74.8% 0.121 162.2) |
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 #5BC596 | 2.12:1 | Fails | Lc -46.1 | Large or bold text, headings |
| Black text on #5BC596 | 9.87:1 | AAA | Lc 62.5 | Content text, not long reading |
| #5BC596 text on white | 2.12:1 | Fails | Lc 41.5 | Non-text elements, placeholder text |
| #5BC596 text on black | 9.87:1 | AAA | Lc -60.8 | Content text, not long reading |
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
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DEEFE5
oklch(93.7% 0.022 160.2)
-
Step 200
200
#C1E2D1
oklch(88.4% 0.042 163.1)
-
Step 300
300
#94D0B2
oklch(80.8% 0.075 162.4)
-
Step 400
400 (this color)
#5BC596
oklch(74.8% 0.121 162.2)
-
Step 500
500
#00A270
oklch(63% 0.137 162.6)
-
Step 600
600
#00895D
oklch(55.7% 0.122 162)
-
Step 700
700
#00734E
oklch(49.1% 0.107 162.4)
-
Step 800
800
#005E3F
oklch(42.6% 0.093 162.3)
-
Step 900
900
#004F34
oklch(37.8% 0.083 162.1)
-
Step 950
950
#002F1D
oklch(27% 0.059 161.7)
#5BC596 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) | #C2B893 | 0.117 |
| Deuteranopia (no green cones) | #B3AD99 | 0.114 |
| Tritanopia (no blue cones) | #34C5B8 | 0.049 |
| Achromatopsia (no color) | #B2B2B2 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BC596
#5BC596
oklch(74.8% 0.121 162.2)
- #E28EC2
#E28EC2
oklch(74.9% 0.12 342.6)
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 #5BC596, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.034
- Greenblue #23C48B ΔE 0.036
- Soft Green #6FC276 ΔE 0.039
- Green Blue #01C08D ΔE 0.043
- Emerald #06D6A0 ΔE 0.050
- Dark Mint #48C072 ΔE 0.051
- Dark Sea Green #8FBC8F ΔE 0.051
- Pale Teal #82CBB2 ΔE 0.057
Use #5BC596 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.