#5BCB68
Closest named color: Seaweed (#18D17B). oklch(75.4% 0.172 145.9), rgb(91, 203, 104).
Aa
Black text reads best on this color (10.18:1).
About this color
#5BCB68 is a medium-light, vivid green. In OKLCH its lightness is 75%, its chroma 0.172 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.031 away. Black text reads best on it, at 10.18:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.18:1 |
| White text | 2.06:1 |
Values
| HEX | #5BCB68 |
| RGB | rgb(91, 203, 104) |
| HSL | hsl(127, 52%, 58%) |
| OKLCH | oklch(75.4% 0.172 145.9) |
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 #5BCB68 | 2.06:1 | Fails | Lc -44.4 | Non-text elements, placeholder text |
| Black text on #5BCB68 | 10.18:1 | AAA | Lc 64.0 | Content text, not long reading |
| #5BCB68 text on white | 2.06:1 | Fails | Lc 39.9 | Non-text elements, placeholder text |
| #5BCB68 text on black | 10.18:1 | AAA | Lc -62.4 | 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
#DDF0DE
oklch(93.6% 0.031 146.8)
-
Step 200
200
#C1E4C2
oklch(88.4% 0.059 145.8)
-
Step 300
300
#93D397
oklch(80.8% 0.106 146)
-
Step 400
400 (this color)
#5BCB68
oklch(75.4% 0.172 145.9)
-
Step 500
500
#00A634
oklch(63.1% 0.193 145.9)
-
Step 600
600
#008C2A
oklch(55.7% 0.171 145.8)
-
Step 700
700
#007622
oklch(49.2% 0.151 145.8)
-
Step 800
800
#00601A
oklch(42.5% 0.131 145.8)
-
Step 900
900
#005114
oklch(37.8% 0.117 145.7)
-
Step 950
950
#003009
oklch(26.9% 0.082 146)
#5BCB68 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) | #CEBB60 | 0.133 |
| Deuteranopia (no green cones) | #BFB16F | 0.131 |
| Tritanopia (no blue cones) | #46C7B4 | 0.103 |
| Achromatopsia (no color) | #B5B5B5 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BCB68
#5BCB68
oklch(75.4% 0.172 145.9)
- #E585E9
#E585E9
oklch(75.4% 0.171 325.7)
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 #5BCB68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.031
- Soft Green #6FC276 ΔE 0.038
- Apple #6ECB3C ΔE 0.039
- Dark Mint #48C072 ΔE 0.040
- Algae Green #21C36F ΔE 0.041
- Dark Mint Green #20C073 ΔE 0.050
- Fresh Green #69D84F ΔE 0.050
- Turtle Green #75B84F ΔE 0.052
Use #5BCB68 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.