#5BC391
Closest named color: Greenblue (#23C48B). oklch(74.2% 0.122 160.3), rgb(91, 195, 145).
Aa
Black text reads best on this color (9.65:1).
About this color
#5BC391 is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.122 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.032 away. Black text reads best on it, at 9.65:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.65:1 |
| White text | 2.17:1 |
Values
| HEX | #5BC391 |
| RGB | rgb(91, 195, 145) |
| HSL | hsl(151, 46%, 56%) |
| OKLCH | oklch(74.2% 0.122 160.3) |
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 #5BC391 | 2.17:1 | Fails | Lc -47.2 | Large or bold text, headings |
| Black text on #5BC391 | 9.65:1 | AAA | Lc 61.4 | Content text, not long reading |
| #5BC391 text on white | 2.17:1 | Fails | Lc 42.5 | Non-text elements, placeholder text |
| #5BC391 text on black | 9.65:1 | AAA | Lc -59.7 | 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
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DEEFE5
oklch(93.7% 0.022 160.2)
-
Step 200
200
#C2E2D0
oklch(88.5% 0.042 160.8)
-
Step 300
300
#95D0B0
oklch(80.8% 0.076 160.4)
-
Step 400
400 (this color)
#5BC391
oklch(74.2% 0.122 160.3)
-
Step 500
500
#00A36B
oklch(63.1% 0.143 160.1)
-
Step 600
600
#00895A
oklch(55.6% 0.125 160.5)
-
Step 700
700
#00734B
oklch(49% 0.11 160.6)
-
Step 800
800
#005F3D
oklch(42.9% 0.096 160.4)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#5BC391 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) | #C1B68E | 0.117 |
| Deuteranopia (no green cones) | #B2AB94 | 0.114 |
| Tritanopia (no blue cones) | #37C2B5 | 0.053 |
| Achromatopsia (no color) | #B0B0B0 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BC391
#5BC391
oklch(74.2% 0.122 160.3)
- #DF8CC3
#DF8CC3
oklch(74.2% 0.122 340.5)
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 #5BC391, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.032
- Soft Green #6FC276 ΔE 0.035
- Green Blue #01C08D ΔE 0.039
- Medium Aquamarine #66CDAA ΔE 0.041
- Dark Mint #48C072 ΔE 0.044
- Dark Sea Green #8FBC8F ΔE 0.051
- Faded Green #7BB274 ΔE 0.052
- Emerald #06D6A0 ΔE 0.054
Use #5BC391 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.