#5BC590
Closest named color: Greenblue (#23C48B). oklch(74.6% 0.126 159.3), rgb(91, 197, 144).
Aa
Black text reads best on this color (9.83:1).
About this color
#5BC590 is a medium-light, moderately saturated green. In OKLCH its lightness is 75%, its chroma 0.126 and its hue 159°. 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 9.83:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 9.83:1 |
| White text | 2.13:1 |
Values
| HEX | #5BC590 |
| RGB | rgb(91, 197, 144) |
| HSL | hsl(150, 48%, 56%) |
| OKLCH | oklch(74.6% 0.126 159.3) |
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 #5BC590 | 2.13:1 | Fails | Lc -46.3 | Large or bold text, headings |
| Black text on #5BC590 | 9.83:1 | AAA | Lc 62.3 | Content text, not long reading |
| #5BC590 text on white | 2.13:1 | Fails | Lc 41.7 | Non-text elements, placeholder text |
| #5BC590 text on black | 9.83:1 | AAA | Lc -60.6 | 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
#DEEFE4
oklch(93.6% 0.023 157.6)
-
Step 200
200
#C2E3CF
oklch(88.6% 0.044 158.8)
-
Step 300
300
#94D1AF
oklch(81% 0.079 159.6)
-
Step 400
400 (this color)
#5BC590
oklch(74.6% 0.126 159.3)
-
Step 500
500
#00A369
oklch(63.1% 0.144 159.3)
-
Step 600
600
#008958
oklch(55.6% 0.127 159.5)
-
Step 700
700
#007349
oklch(49% 0.112 159.4)
-
Step 800
800
#005F3B
oklch(42.8% 0.098 159.1)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#5BC590 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) | #C3B88D | 0.118 |
| Deuteranopia (no green cones) | #B4AD93 | 0.115 |
| Tritanopia (no blue cones) | #37C4B7 | 0.057 |
| Achromatopsia (no color) | #B1B1B1 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BC590
#5BC590
oklch(74.6% 0.126 159.3)
- #E18CC7
#E18CC7
oklch(74.6% 0.127 339.1)
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 #5BC590, 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 0.032
- Medium Aquamarine #66CDAA ΔE 0.039
- Green Blue #01C08D ΔE 0.041
- Dark Mint #48C072 ΔE 0.043
- Emerald #06D6A0 ΔE 0.049
- Dark Sea Green #8FBC8F ΔE 0.053
- Dark Mint Green #20C073 ΔE 0.054
Use #5BC590 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.