#5BC665
Closest named color: Dark Mint (#48C072). oklch(74.1% 0.168 145.4), rgb(91, 198, 101).
Aa
Black text reads best on this color (9.71:1).
About this color
#5BC665 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.168 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Mint (#48C072), ΔE 0.029 away. Black text reads best on it, at 9.71:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Dark Mint (#48C072) |
| Black text | 9.71:1 |
| White text | 2.16:1 |
Values
| HEX | #5BC665 |
| RGB | rgb(91, 198, 101) |
| HSL | hsl(126, 48%, 57%) |
| OKLCH | oklch(74.1% 0.168 145.4) |
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 #5BC665 | 2.16:1 | Fails | Lc -46.9 | Large or bold text, headings |
| Black text on #5BC665 | 9.71:1 | AAA | Lc 61.7 | Content text, not long reading |
| #5BC665 text on white | 2.16:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #5BC665 text on black | 9.71:1 | AAA | Lc -60.0 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DEF0DE
oklch(93.7% 0.031 145.3)
-
Step 200
200
#C2E4C2
oklch(88.5% 0.058 145.1)
-
Step 300
300
#95D397
oklch(80.9% 0.105 145.3)
-
Step 400
400 (this color)
#5BC665
oklch(74.1% 0.168 145.4)
-
Step 500
500
#00A630
oklch(63.1% 0.196 145.4)
-
Step 600
600
#008C27
oklch(55.7% 0.173 145.4)
-
Step 700
700
#00761F
oklch(49.2% 0.153 145.3)
-
Step 800
800
#006118
oklch(42.8% 0.133 145.4)
-
Step 900
900
#005113
oklch(37.8% 0.117 145.5)
-
Step 950
950
#003008
oklch(26.9% 0.083 145.6)
#5BC665 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) | #C9B65D | 0.129 |
| Deuteranopia (no green cones) | #BBAD6C | 0.127 |
| Tritanopia (no blue cones) | #48C2AF | 0.101 |
| Achromatopsia (no color) | #B0B0B0 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BC665
#5BC665
oklch(74.1% 0.168 145.4)
- #DF82E4
#DF82E4
oklch(74% 0.168 325.3)
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 #5BC665, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint #48C072 ΔE 0.029
- Soft Green #6FC276 ΔE 0.033
- Algae Green #21C36F ΔE 0.033
- Seaweed #18D17B ΔE 0.037
- Turtle Green #75B84F ΔE 0.040
- Dark Mint Green #20C073 ΔE 0.040
- Apple #6ECB3C ΔE 0.043
- Shamrock Green #02C14D ΔE 0.051
Use #5BC665 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.